Visit us at the following 2008 tradeshows

Light Emitting Diodes 2008

Sept. 29-Oct. 1
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Convergence 2008

Oct. 20-22, Detroit MI
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Featured Product

>1ch Built-in FET Step-down Switching Regulator (BD9870FPS)
>ROHM Printheads
>ROHM Switching Regulators

ROHM Electronics in the Media

>Future Electronics- ROHM
Latch Type Hall ICs for Switchless Dial Applications

2007 - 2008 | 2005 | 2004 | 2003 and Earlier

Press Release

Adaptive Image Enhancer: BU1570KN

12.08.06

ROHM’s BU1570KN Adaptive Image Enhancer (AIE) IC is used to correct images, adjusting both the color and brightness adaptively in real time. The AIE algorithm core consists of three blocks: brightness determination, image enhancement and color correction. It also features a motion alarm/watchdog function that divides images into 64 areas and sends an interrupt signal to the CPU once motion is detected. When combined with BU1569GVW featuring MIDI playback, it is possible to configure applications with audio capability for enhanced functionality.

This product can be used to correct images as well as video in both portable and general consumer electronic devices.

All ROHM products are both lead-free and RoHS compliant.

Applications:

• Camera equipped sets such as surveillance/intercom systems
• Drive recorders
• Web camera
• Mobile phones

Features:

• Real time enhancement based on ambient light (each video frame is optimally corrected)
• Can be easily added on to existing systems between the cameral module and image processor
• Completely hardware-based processing (using 0.13?m CMOS technology) results in high speed correction and low power consumption [core voltage 1.5V, 8mA typ. (VGA 30fps)]
• Built-in color correction function ensures vivid color picture quality
• Compatible with a wide variety of pixel resolutions for broad applicability
• Power supply voltage: 1.45V-1.55V (VDDCore), 2.7V-3.6V (VDDIo)
• VQFN36 package (6.2mm x 6.2mm x t0.95mm)

Press Release

Thick Film Thermal Printheads (KD2003-DG10A & KD2003-DF10A)

09.05.06

ROHM's KD2003-DG10A and KD2003-DF10A thick-film thermal printheads utilize an original heat element glaze structure for increased energy resistance and integrate high-density driver ICs, enabling high-speed (250mm/s) high-quality printing. In addition, the units feature a wide logic voltage range (3.3V-5.25V), making them resistant to voltage fluctuations, and are available in only one resistance rank (650O±3%), simplifying circuit design. They are compatible with both thermal and thermal transfer printing.

Both products are lead-free and RoHS compliant.

Applications

• POS
• ATM
• Kiosk
• Ticket
• Label/terminal printers

Availability

Samples of these items are available.

Features

• New original heat element glaze (for increased energy resistance) and high-density drivers ICs utilized, enabling high-speed (250mm/s), high-quality printing
• A broad logic voltage range (3.13V-5.25V) increases resistance against voltage fluctuations and, combined with a single resistance rank (650Ω±3%), simplify circuit design

Press Release

Full-Color Dot Matrix Display LPM5123BMUA61M

08.30.06

ROHM's LPM5123BMUA61M 16x32 dot matrix display (dot size: F2.8) utilizes original potting lens technology for significantly improved contrast and viewing angle and integrates color-correction LSIs, resulting in full-color display (over 1 billion colors) with 1,024 gradation steps for each color and no color fluctuation. It is ideally suited for any applications requiring numeric, alphabetical, symbolic and/or graphic display, such as message boards, video screens and public information displays.

Applications:

• Transit displays
• Message boards
• Graphic displays
• Video screens

Features:

• 16x32 dot matrix (dot size: Φ 2.8)
• Dimensions: 96mm x 192mm
• ROHM original potting lens method used for high contrast and a wide viewing angle
• Built-in color correction LSI enables full-color display with no color fluctuation
• Over one billion colors can be displayed, each with 1,024 gradation levels
• 1/8 duty dynamic scan method utilized
• Brightness adjustment circuit built in, making it possible to adjust the brightness of the entire panel

Press Release

Low Current Single Mode Dual Wavelength Laser Diode: RLD2WMUV2

08.23.06

ROHM’s RLD2WMUV2 single mode dual wavelength laser diode features excellent low current characteristics [785nm:18mA (Tc=25ºC); 655nm:20mA (Tc=25ºC)], making it ideal for DVD players.

The RLD2WMUV2 utilizes original monolithic technology in order to deliver low threshold current capability and excellent temperature characteristics. In addition, it can be combined with ROHM’s high frequency modulation IC (BU9369FVM) for significantly reduced noise.

All ROHM products are both lead-free and RoHS-compliant.

Press Release

BP5222A Constant Current DC LED Driver

08.15.06

ROHM's BP5222A LED driver features a wide DC input voltage range (15V-38V), an output voltage of 12V, and a high power conversion efficiency (90% at VIN=20V). In addition, constant current drive capability (350mA when R1=3.68) makes it possible to easily drive power LEDs using just a few external components.

ROHM also offers the BP5220A and BP5221A DC/DC converters with an input voltage range of 8V-38V, an output voltage of 5V, and a conversion efficiency of approximately 85% (VIN=15V), ensuring suitability with power supplies of all types, including copiers, PCs, fax machines, and security/industrial equipment.

The series is both lead-free and RoHS compliant.

Applications

Power supplies in consumer/industrial/commercial devices and lighting equipment (i.e. home, stage, landscape, facility, disaster prevention), and more.

Features

• Wide input voltage range: 15V-38V (BP5222A), 8V-38V (BP5220/1A)
• High power conversion efficiency: 90% at VIN=24V (BP5222A), 85% at VIN=15V (BP5220/1A)
• Constant current driving possible using external resistor R1 (lo=350mA when R1=3.68Ω)
• Available in a compact SIP9 package (28x19.5x12mm)

Press Release

BHxxRB1WGUT: Ultra-compact CMOS LDO Regulator with 150mA output current with extremely low dropout voltage

07.25.05

The newest edition to ROHM’s CMOS LDO regulator lineup is the ultra-compact BHxxRB1WGUT series featuring an output current of 150mA, high output voltage accuracy (±1%), a low drop out voltage of 100mV (at Io=100mA), and consumption currents of 34µA and 0µA during operation and standby, respectively. High ESD resistance (5kV) combined with built-in overcurrent and thermal protection circuits ensure a high degree of reliability in any environment. This series is offered in an ultra-compact 4-pin CSP package (VCSP60N1) possessing high heat radiation characteristics (540mW) and are available in a number of different output voltages (1.5V, 1.8V, 2.5V, 2.8V, 2.9V, 3.0V, 3.1V and 3.3V), making them ideally suited for use in portable applications.

Applications
Portable electronics

Series Features:

• High output voltage accuracy: ±1%
• Built-in overcurrent protection and thermal shutdown circuits
• 150mA output current
• 63dB ripple rejection rate
• 0µA standby current
• Low dropout voltage: 100mV (at Io=100mA)
• Current consumption as low as 34µA utilizing Bi-CMOS processes
• High ESD resistance: 5kV
• Compatible with ceramic capacitors
• Ultra-compact CSP package (VCSP60N1)
• Available in a number of different output voltages: 1.5V, 1.8V, 2.5V, 2.8V, 2.9V, 3.0V, 3.1V, 3.3V

Press Release

KTR10 & KTR18: High-voltage Thick Film Chip Resistors

07.07.06

ROHM’s KTR series (KTR10 and KTR18) chip resistors utilize a proprietary structure and trimming process in order to deliver the world’s highest voltage resistance – more than double that of conventional products – allowing only one resistor to be used in high voltage circuits normally requiring multiple resistors, resulting in increased space savings.

KTR10 (0805 size) and KTR18 (1206 size) feature a rated power of 1/8W and 1/4W and a limiting element voltage of 300V and 400V, respectively. Resistance tolerances of ±1% and ±5% are available for both products.

All ROHM products are both lead-free and RoHS-compliant.

Applications: Camera flash circuits, display backlight inverters and other high voltage applications

Availability: Product samples are available. Lead time is 8-10 weeks ARO.

Features:

• Improved voltage resistance due to original trimming design and resistor pattern that prevents current concentration
• Power ratings of 1/8W (KTR10) and 1/4W (KTR18)
• Limiting element voltages of 300V (KTR10) and 400V (KTR18) – more than twice that of conventional products
• Limiting element voltage of KTR series is 2.6 times that of MCR series (KTR10)*
• Limiting element voltage of KTR series is 2.5 times that of MCR series (KTR18)*
• One KTR resistor can be used in circuits normally requiring multiple conventional resistors

*Based on a ROHM study conducted in June.
NOTE: Part numbers ending in J denote ±5% tolerance and numbers ending in F ±1% tolerance.

Press Release

World’s Smallest One-chip Hall IC Solution for Detection and Connection: BU52000 Series

06.15.06

ROHM has recently completed development of the BU52000 series, the world's smallest Hall IC that integrates magnetic detection and connection circuits onto a single chip.

Advancements in mobile phone functionality often necessitate larger LCD screens, leading to an increase in the popularity of folding-type phones. The BU52000 series eliminates the need for mechanical switches, which are conventionally used to detect the opening and closing of mobile phones, by utilizing a silicon-based Hall effect element, resulting in greater reliability, lower power consumption, and increased design flexibility.

The BU52000 series ICs are available in the VCSP50L1 chip scale package (CSP) type, making it the world’s smallest in its class. The required mounting area is 1/3 to 1/4 that of conventional models, contributing to increased space reduction. Both monopole and dipole detection types are offered.

Applications

Mobile phones

Availability

Samples of these items are available.

Features:

• Available in the ultra-compact CSP4 package type – the smallest in the world (mounting area: 1.1 × 1.1 × 0.5 mm).
• Intermittent operation method utilized for improved energy conservation (average power consumption 8µA typ.).
• 8kV electrostatic discharge resistance (HBM) enabled due to an ideal element structure and circuit optimization, resulting in high reliability.
• Integrated silicon Hall element with a wide operating temperature range (-40°C to 85°C).

Lineup:

Type	Part #	Package	Number of Output Pins	Remarks
Monopole Detection	BU52002GUL	VCSP50L1	1	S-pole detection
Monopole Detection	BU52003GUL	VCSP50L1	1	N-pole detection
Dipole Detection	BU52001GUL	VCSP50L1	1	S-pole and N-pole detection
Dipole Detection	BU52004GUL	VCSP50L1	2	OUT1: S-pole detection OUT2: N-pole detection

Press Release

ROHM’s Audio System LSIs: BU9432-C1 and BU9434-C2

06.15.06

ROHM’s BU9432-C1 and BU9434-C2 audio system LSIs integrate a USB 2.0 full-speed host controller, a 3-channel power supply, an MP3 decoder, a DAC, and a system controller into a single chip, allowing playback of MP3 files contained on flash memory via USB. In addition, the BU9432-C1 features a headphone amplifier while the BU9434-C2 incorporates an SD card interface controller, a sound effecter, and I2S/SPDIF interface support.
The BU9432-C1 and BU9434-C2 are offered in the TQFP64V and VQFP64 package types, respectively.

Availability

BU9432-C1 is currently in mass production while samples of BU9434-C2 will be available at the end of September with mass production to begin in December.

Applications

Audio equipment

BU9432-C1 and BU9434-C2 Features:

System Controller	Integrate and control USB, SD, MP3 systems KEY or Serial Command Input—automatically searches for MP3 files in the USB/SD memory for playback
USB Host Interface Controller	USB 1.1 and USB 2.0 full speed host Mass storage class USB HUB supported (BU9434-C2) USB 1.1 / 2.0 Flash Memory / HDD Memory size: 32M-2TByte
SD Card Interface Controller (BU9434-C2)	MMC / Mini-SD supported SPI mode supported CPRM not supported
FAT File System	FAT16 and FAT32 supported Unlimited number of folders possible (but depth limit is 8) Number of files: 65,534 Compatible file extensions: .MP3, .MP2*, MP1* Hidden file playback capability Multi-partition support (BU9434-C2) *It is possible to select this file format
MP3 Decoder	MPEG Audio 1, 2, 2.5 Layer 1, 2, 3 Sampling rate: 8K-48kHz Bit rate: 8kbps-448kbps, VBR
Sample Rate Converter	All sample rates converted to 44.1kHz
Serial Interface	3-wire (Clock, Data, Status) serial interface Playback commands: Play, Pause, Stop, FF, FB, Fol+, Fol-, +10, -10, Volume+, Volume-, Repeat, Random (BU9434-C2) Decoder status: Folder #, File #. Playback Time (Minute, Second), Folder Name, File Name (BU9434-C2), ID3TAG (Album, Artist, Title) (BU9434-C2), Ver. 1.0, 1.1, 2.2, 2.3, 2.4 Resume information and command (BU9434-C2)
Key-matrix Controller (BU9434-C2 is 3x4)	2x4 key matrix control: Play/Pause, Stop, FF, FB, Fol+, +10, Volume+*, Volume-*, Repeat, Random (BU9434-C2) *Digital volume can be selected
LED Controller	Play (Pause = blinks) LED Error LED Memory access LED Sound Effecter (BU9434-C2) Pop / Jazz / Rock / Classic / R&B BassBoost / Surround
DAC	I2S / SPDIF interfaces supported (BU9434-C2) Total harmonic distortion: 0.03% Signal to noise ratio: 93dB Dynamic range: 88dB Headphone Amp: 14mW (RL32O) (BU9434-C2) Mute circuit control

Press Release

Flexible Step-down Switching Regulators feature high ESD resistance of 4kV and high efficiency of 90%

01.27.06

ROHM’s BD9778F/HFP flexible step-down switching regulators incorporate an oscillator and a DMOSFET that features a high voltage resistance (36V max), large current (2A max) and low ON-resistance (0.53O typ). The operating frequency is adjustable between 50 and 500kHz via external resistors in order to reduce switching noise in the AM (MW) signal band, while a standby current of 0µA contributes to increased energy savings. High reliability is ensured due to the wide operating temperature range (-40º to 125ºC), built-in overcurrent and thermal shutdown circuits, high ESD resistance (4kV) and integrated soft start function. The units, which are offered in the SOP8 (BD9778F) and HRP7 (BD9778HFP) packages, deliver a reference voltage accuracy of ±2%, operate at high efficiency (90%) and possess a wide input voltage range (5V-35V), making them ideally suited for use in a wide variety of applications.

Applications

• Consumer products
  • PCs
  • printers
  • scanners
  • modems
  • gaming
  • home entertainment
• Industrial equipment
• Security
• Instrumentation
• Networking/routers
• Automotive electronics
  • audio/video,
  • interior/chassis/body/safety systems
  • sensors

Series Features:

• Variable oscillation frequency using external resistor (50 to 500kHz)
• 4kV electrostatic discharge resistance
• 0µA standby current
• Wide input voltage range: 5V – 35V
• Broad operating temperature range: -40º-125ºC
• Built-in P-channel power MOSFET
• Output voltage setting enabled via external resistor (1V – Vin)
• Integrated overcurrent and thermal shutdown circuits
• Soft start function
• ±2% reference voltage accuracy
• Low dropout: 100% ON duty cycle
• Available in the SOP8 (BD9778F) and HRP7 (BD9778HFP) package types