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Data sheet
TPS92623-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to 125°C, TA
- Wide input voltage range: 4.5 V to 40 V
- Thermal sharing by external shunt resistor
- Low supply current in fault mode
- Three high-precision current regulation:
- Up to 150-mA current output for each channel
- ±5% accuracy over full temperature range
- Independent current setting by resistor
- Independent PWM pin for brightness control
- Low dropout voltage:
- Maximum dropout: 600 mV for 150 mA
- Diagnostics and protection
- LED open-circuit with auto-recovery
- LED short-to-GND with auto-recovery
- Diagnostic enable with adjustable threshold
- Fault bus configurable as either one-fails–all-fail or only-failed-channel off (N-1)
- Thermal shutdown
- Operation junction temperature range:–40°C to 150°C
The TPS92623-Q1 three-channel LED driver includes a unique thermal management design to reduce temperature rising on the device. The TPS92623-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 150 mA per channel. External shunt resistors are leveraged to share output current and dissipate power out of the driver. The device’s full-diagnostic capabilities include LED open, LED short-to-GND circuit and device overtemperature protection.
The one-fails–all-fail feature of TPS92623-Q1 is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9262x-Q1, TPS92630/8-Q1, and TPS92830-Q1 devices, to address different requirements.
Technical documentation
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View all 3 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS92623-Q1 Three-Channel, Automotive High Side LED Driver with Thermal Sharing Control datasheet (Rev. A) | PDF | HTML | 17 Jun 2022 |
| Certificate | TPS92623Q1EVM EU RoHS Declaration of Conformity (DoC) | 12 Nov 2021 | ||
| User guide | TPS92623-Q1EVM User's Guide | PDF | HTML | 05 Nov 2021 |
Design & development
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Evaluation board
TPS92623-Q1EVM — TPS92623-Q1 evaluation module for automotive three-channel high-side LED driver with thermal sharing
TPS92623-Q1 evaluation module for automotive three-channel high-side LED driver with thermal sharing
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HTSSOP (PWP) | 16 | Ultra Librarian |
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