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TPS92520QDADRQ1

Mfr. #:
TPS92520QDADRQ1
Mfr.:
Texas Instruments
Product Type:
Dual Synchronous Buck LED Driver
Series:
TPS92520-Q1
Package / Case:
HTSSOP-32
Description:
Dual Synchronous Buck LED Driver

Product Attributes

AttributeValue
Supply VoltageVIN 4.5 to 63 V recommended continuous range; V5A/V5D external bias 4.5 to 5.3 V
Switching Frequency100 kHz to 2.2 MHz programmable
Control InterfaceSPI configuration and fault monitoring; limp-home and standalone modes
ProtectionCycle-by-cycle current limit, bootstrap UV, LED open/short, thermal warning/shutdown; 10-bit monitoring ADC
Operating Temperature-40 to +125 °C ambient; junction temperature limited to 150 °C
Channels2 synchronous buck LED-current regulators with integrated switching MOSFETs
LED CurrentUp to 1.6 A continuous per channel, subject to thermal and external component constraints
Current Accuracy+/-4% specified regulation accuracy
Dimming10-bit analog and internal PWM; external PWM and shunt-FET/matrix-manager compatibility
Package DetailsHTSSOP, DAD, 32 pins with top/bottom thermal pads; 11 x 6.1 mm nominal body, 8.1 mm overall width; 0.65 mm pitch; 1.15 mm maximum height

Product Description

TPS92520QDADRQ1 is a dual synchronous buck LED driver for 4.5 to 63 V input, with up to 1.6 A continuous current per channel subject to thermal limits. Its integrated switching MOSFETs regulate separate LED strings using inductor-current feedback, supporting independent channel dimming.

SPI controls current references, switching frequency and diagnostics. Compatibility with external shunt dimming permits use with a matrix manager, while the dedicated bias supplies and dual thermal pads remain important board-level power and cooling connections.

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