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TPS929120QPWPRQ1

Mfr. #:
TPS929120QPWPRQ1
Mfr.:
Texas Instruments
Product Type:
Twelve-Channel Linear LED Driver
Series:
TPS929120-Q1
Package / Case:
HTSSOP-24
Description:
Twelve-Channel Linear LED Driver

Product Attributes

AttributeValue
Supply Voltage4.5 to 36 V recommended operating range; 40-V headline capability is not the recommended continuous upper limit
Control InterfaceFlexWire up to 1 MHz; up to 16 devices on one bus
Operating Temperature-40 to +125 °C ambient
Channels12 independently controlled high-side current sources
Channel Current0.5 to 75 mA per channel; resistor-set maximum with 2-bit global and 6-bit individual current settings
Current AccuracyBetter than +/-5% at 5 to 75 mA; +/-10% at 1 mA under specified conditions
Dimming12-bit independent PWM; programmable PWM frequency up to 20 kHz; linear/exponential dimming
Auxiliary SupplyInternal 5-V LDO; up to 80 mA external load per recommended conditions
DiagnosticsOpen/short/single-LED-short detection, watchdog/CRC, 8-bit ADC, programmable fail-safe, ERR and thermal protection
Package DetailsHTSSOP PowerPAD, PWP, 24 pins; 7.8 x 4.4 mm body; 0.65 mm pitch; 1.2 mm maximum height

Product Description

TPS929120QPWPRQ1 provides twelve independent high-side LED current sources, programmable from 0.5 to 75 mA per channel, from a 4.5 to 36 V supply. Individual 12-bit PWM supports animated or segmented lamp functions. FlexWire addresses up to sixteen devices on one bus, allowing lighting control to be distributed across several boards.

The programmable fail-safe state and bus watchdog determine behavior when communication is lost. The integrated LDO can supply an external interface device, while the LEDs remain driven by linear high-side outputs whose heat must be managed.

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