MX881R

MX881R Datasheet

MX881

Part	Datasheet
MX881R	MX881R (pdf)

Related Parts	Information
MX881RTR	MX881RTR

PDF Datasheet Preview
IXYS MX881 Xenon Flash Controller & LED Torch Driver Features: • Highly Integrated Solution that includes Optimized Flyback Boost Converter Controller, IGBT Driver, 100mA LED Torch Driver, and Transformer Drive Transistor • Small Size 3mm x 5mm DFN-16 • High Efficiency • to Volt Battery Operation • to Volt Digital Interface Operation • Low Shut Down Current 0.1µA • SPI and I2C Bus Compatibility • Programmable Average Battery Current: 50mA 220mA • Programmable Output Voltage 300V - 330V Applications: • Camera Cell Phones, Digital Still Cameras, and Optical Film Cameras Ordering Information MX881R 3mm X 5mm DFN-16 MX881RTR DFN-16 Tape & Reel Qty 73 2000 The MX881 offers a highly integrated Xenon Flash controller, providing an ideal solution for small form factor flash and torch lighting applications. The MX881 integrates a user programmable Controller, IGBT Driver, 100mA LED Torch Driver, and Transformer Drive Transistor to significantly reduce component count, solution size, and design complexity. The Boost Control Logic manages the peak primary current and off time to optimize charge time and control average battery current. The Charge Cycle Control starts the charge cycle on a low to high transition of the CHARGE input. Then detects when the output voltage has reached the desired voltage and stops the Boost Control Logic, while asserting the DONE output signal. The SPI/I2C serial interface adds the flexibility of 6 programmable average battery currents and 4 programmable high voltage output levels for the flash function. MX881 CONTROLLER / DRIVER Boost Control Logic I PEAK T1 1:10 min. LSEC 500V Total Switching Diodes DVCC CHARGE DONE DVCC Charge Cycle Logic VOUT FLASH SPI / I2C X4 LED_EN SPI / I2C Interface to set VOUT & IAVE I SET IGBT DRIVER IGBTGATE IXYS IGBT Bandgap + 22 uF TRIGGER CAPACITOR VBATT FLASH TUBE MX881 Drawing No. 088109 7/30/07 MX881 IXYS Boost Switch When turned on, current flows in the primary of the flyback transformer. The energy stored in the transformer is transferred to the secondary as high voltage when the boost switch is turned off.

PDF Datasheet Preview

IXYS

MX881

Xenon Flash Controller & LED Torch Driver

Features:
• Highly Integrated Solution that includes Optimized Flyback Boost Converter Controller, IGBT Driver, 100mA LED Torch Driver, and Transformer Drive Transistor
• Small Size 3mm x 5mm DFN-16
• High Efficiency
• to Volt Battery Operation
• to Volt Digital Interface Operation
• Low Shut Down Current 0.1µA
• SPI and I2C Bus Compatibility
• Programmable Average Battery Current:
50mA 220mA
• Programmable Output Voltage 300V - 330V

Applications:
• Camera Cell Phones, Digital Still Cameras, and Optical Film Cameras
Ordering Information

MX881R
3mm X 5mm DFN-16

MX881RTR DFN-16 Tape & Reel

Qty 73 2000

The MX881 offers a highly integrated Xenon Flash controller, providing an ideal solution for small form factor flash and torch lighting applications. The MX881 integrates a user programmable Controller, IGBT Driver, 100mA LED Torch Driver, and Transformer Drive Transistor to significantly reduce component count, solution size, and design complexity.

The Boost Control Logic manages the peak primary current and off time to optimize charge time and control average battery current.

The Charge Cycle Control starts the charge cycle on a low to high transition of the CHARGE input. Then detects when the output voltage has reached the desired voltage and stops the Boost Control Logic, while asserting the DONE output signal.

The SPI/I2C serial interface adds the flexibility of 6 programmable average battery currents and 4 programmable high voltage output levels for the flash function.

MX881

CONTROLLER / DRIVER

Boost Control Logic

I PEAK

T1 1:10 min.

LSEC
500V Total Switching Diodes

DVCC CHARGE

DONE

DVCC

Charge Cycle Logic

VOUT

FLASH

SPI / I2C X4

LED_EN

SPI / I2C Interface to
set VOUT & IAVE

I SET

IGBT DRIVER

IGBTGATE

IXYS IGBT

Bandgap
+ 22 uF

TRIGGER CAPACITOR

VBATT

FLASH TUBE

MX881 Drawing No. 088109
7/30/07

MX881

IXYS

Boost Switch When turned on, current flows in the primary of the flyback transformer. The energy
stored in the transformer is transferred to the secondary as high voltage when the boost switch is turned off.

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived MX881R Datasheet file may be downloaded here without warranties.

Datasheet ID: MX881R 644425