TPS92633-Q1
Dreikanaliger Highside-LED-Treiber für die Automobilindustrie mit Wärmeraufteilung und Off-Board-Bin
TPS92633-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
- Support off-board brightness binning resistor
- Support external NTC for current derating
- Low dropout voltage:
- Maximum dropout: 600 mV at 150 mA
- Diagnostics and protection
- LED open-circuit with auto-recovery
- LED short-to-GND with auto-recovery
- Single LED short-circuit detection 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 TPS92633-Q1 three-channel LED driver includes an unique thermal management design to reduce temperature rising on the device. The TPS92633-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 TPS92633-Q1 also drives LED units and off-board brightness binning resistors to simplify the manufacturing process and lower whole system cost. Its full-diagnostic capabilities include LED open, LED short-to-GND circuit and single LED short circuit detection.
The one-fails-all-fail feature of TPS92633-Q1 is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS92630/8-Q1, and TPS92830-Q1 devices, to address different requirements.
Technische Dokumentation
Typ | Titel | Datum | ||
---|---|---|---|---|
* | Data sheet | TPS92633-Q1 Three-Channel Automotive High-Side LED Driver with Thermal Sharing and Off-Board Binning datasheet (Rev. A) | PDF | HTML | 11 Mai 2021 |
Application note | Typical Design Guideline for TPS92633-Q1 Parallel Channels in High Current Application | PDF | HTML | 24 Sep 2024 | |
Functional safety information | TPS92633-Q1 Functional Safety FIT Rate and FMD | PDF | HTML | 29 Nov 2021 | |
Certificate | TPS92633Q1EVM EU RoHS Declaration of Conformity (DoC) | 23 Nov 2020 | ||
EVM User's guide | TPS92633-Q1 EVM User's Guide | PDF | HTML | 13 Nov 2020 |
Design und Entwicklung
Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.
TPS92633Q1EVM — TPS92633-Q1 Evaluierungsmodul für dreikanaligen linearen High-Side-LED-Treiber für den Automobilbere
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HTSSOP (PWP) | 20 | Ultra Librarian |
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