TPS92612-Q1 Texas instruments

TPS92612-Q1

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TPS92612-Q1

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Описание

With LEDs being widely used in automotive applications, simple LED drivers are more and more popular. Compared to discrete solutions, a low-cost monolithic solution lowers system-level component counts and significantly improves current accuracy and reliability.The TPS92612-Q1 device is a simple single-channel high-side LED driver operating from an automotive car battery. It is a simple and elegant solution to deliver constant current for a single LED string.

AEC-Q100 Qualified for Automotive Applications
- Device Temperature Grade 1:
  –40°C to 125°C, T_A
Functional safety capable
- Documentation available to aid functional safety system design
Single-Channel Constant-Current LED Driver With PWM Dimming
Wide Input-Voltage Range: 4.5 V–40 V
Constant Output Current, Adjustable by Sense Resistor
Precision Current Regulation, Tolerance ±4.6%
Maximum Current: 150 mA
Heat Sharing With External Resistor
Low Dropout Voltage (Current-Sense Voltage Drop Included)
- Maximum Dropout: 150 mV at 10 mA
- Maximum Dropout: 400 mV at 70 mA
- Maximum Dropout: 700 mV at 150 mA
Low Standby Current (<250 µA per Device)
Protection:
- LED Short-Circuit Protection With Auto-Recovery
- Overtemperature Protection
Operating Junction Temperature Range: –40°C to 150°C

Number of channels	1
Topology	Current Source
Rating	Automotive
TI functional safety category	Functional 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)	0.15
Iq (typ) (mA)	0.2
Features	LED Short to Ground Detection, Thermal shutdown