Texas Instruments PTPS929240QDCPRQ1
- Part Number:
- PTPS929240QDCPRQ1
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6410327-PTPS929240QDCPRQ1
- Description:
- Automotive 24-channel 40-V high-side LED and OLED driver
- Datasheet:
- tps929240-q1
- Number of channels24
- TopologyCurrent Source
- RatingAutomotive
- TI functional safety categoryFunctional Safety-Capable
- Operating temperature range (°C)-40 to 125
- Vin (min) (V)4.5
- Vin (max) (V)40
- Vout (min) (V)0
- Vout (max) (V)40
- Iout (max) (A)0.1
- Iq (typ) (mA)10
- FeaturesEnable/Shutdown
With the increasing demand for animation in automotive lighting, LEDs must be controlled independently. Therefore, LED drivers with digital interfaces are essential to effectively drive pixel-controlled lighting applications. In exterior lighting, multiple lamp functions are typically located on different PCB boards with off-board wires connected to each other. It is difficult for a traditional single-ended interface to meet the strict EMC requirements. By using an industrial-standard CAN physical layer, the UART-based FlexWire interface of the TPS929240-Q1 easily accomplishes long distance off-board communication without impacting EMC.
The TPS929240-Q1 is a 24-channel, 40-V high-side LED driver that controls the 8-bit output current and 12-bit PWM duty cycles. The device meets multiple regulation requirements with LED open-circuit, short-to-ground, and single LED short-circuit diagnostics. A configurable watchdog also automatically sets FAIL-SAFE states when the MCU connection is lost, and, with programmable EEPROM, TPS929240-Q1 can flexibly be set for different application scenarios.
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