Description:

The TPS92630-Q1 device is a three-channel linear LED driver with analog and PWM dimming control. The device's comprehensive diagnostics and built-in protection features make it ideal for variable-intensity LED lighting applications (up to the medium power range).

Features:

Qualified for automotive applications

AEC-Q100 qualified with the following results:

Device temperature grade 1: –40°C to 125°C ambient operating temperature range

Device HBM ESD classification level H2

Device CDM ESD classification level C3B

3-channel LED driver (with analog and PWM dimming)

Wide input voltage range: 5 V – 40 V

Adjustable constant output current set by a reference resistor

Maximum current: 150 mA per channel

Maximum current: 450 mA in parallel operation mode

Accuracy: ±1.5% per channel when I(IOUTx) > 30 mA

Accuracy: ±2.5% per device when I(IOUTx) > 30 mA

Parallel output using multiple ICs or multiple channels of a single IC to achieve higher current

Low dropout voltage

Maximum dropout: 400 mV per channel at 60 mA

Maximum dropout: 0.9 V per channel at 150 mA

Independent PWM dimming for each channel

Open and short LED detection with glitch filter timer

LED string voltage feedback per channel for individual LED short detection

Independent fault pin for individual LED short fault

Fault pin for reporting open, short, and thermal shutdown faults; up to 15 devices can be connected in parallel via a single bus

Device can accommodate slow input voltage dV/dt (0.5 V/min) without any issues

Operating junction temperature range: –40°C to 150°C

Package: 16-pin thermally enhanced PWP package (HTSSOP)

Applications:

Automotive LED lighting applications, such as:

Daytime running lights

Position lamps

Fog lamps

Rear lamps

Stop lamps or tail lamps

Interior lighting