Texas Instruments TPS92543QPKDRQ1
Manufacturer No:
TPS92543QPKDRQ1
Manufacturer:
Texas Instruments
Package:
Description:
Automotive, 65V synchronous boost controller, 2A synchronous CC buck and bypass FET controller
Quantity:
In Stock :8995
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Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
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Date Code：Within 2 Years
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TPS92543QPKDRQ1 Information
Texas Instruments TPS92543QPKDRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments TPS92543QPKDRQ1.
- Type
- Parameter
- Number of channels
- 2
- Topology
- Boost Controller, Floating Switch, Synchronous Buck
- Rating
- Automotive
- TI functional safety category
- Functional Safety-Capable
- Operating temperature range (°C)
- -40 to 125
- Vin (min) (V)
- 4.5
- Vin (max) (V)
- 65
- Vout (min) (V)
- 1
- Vout (max) (V)
- 65
- Iout (max) (A)
- 2
- Type
- Parameter
- Iq (typ) (mA)
- 2500
- Switching frequency (max) (kHz)
- 1000
- Features
- EEPROM, Fault Detection, LED Open Detection, LED Short Detection, Precision Dimming Control, Thermal Error Flag, Thermal shutdown, UART
- Package
- HTQFP (PKD)
- Pins
- 48
- Size
- 81 mm² 9 x 9
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments TPS92543QPKDRQ1.
Data sheet:
The TPS92543 device contains a synchronous BOOST controller and a monolithic synchronous buck LED driver with a wide 4.5V to 65V operating BUCK input voltage range. The TPS92543 includes two sub-strings of three series connected floating bypass FET controllers.
The synchronous BOOST controller implements a peak current-mode controller to operate in constant voltage mode. The Boost can be programmed to operate as dual-phase together with another TPS92543. The output voltage can be programmed using a programmable 8-bit DAC.
The monolithic synchronous BUCK implements an adaptive on-time average current mode control and is designed to be compatible with shunt FET dimming techniques and LED matrix manager-based dynamic beam headlamps. The adaptive on-time control provides near constant switching frequency that can be set between 100kHz and 1.0MHz. Inductor current sensing and closed-loop feedback enable better than ±4% accuracy over wide input voltage, output voltage and ambient temperature range.
The TPS92543 incorporates two sub-strings of three series connected floating bypass FET controllers to perform LED shunt FET dimming. Each controller can perform FET dimming with segment voltages of up to 55V. The device includes programmable registers for phase shift and pulse width of each individual segment.
The TPS92543 includes an internal oscillator. The UART serial interface is compatible with TPS9266x, and TPS9254x devices. The internal EEPROM can store system defaults as well as calibration and lighting module data. The four configurable MPIOs can be configured as digital inputs or outputs, or ADC input for use with system temperature compensation, LED binning and coding.
The TPS92543-Q1 is available in a 7.0mm × 7.0mm thermally-enhanced 48-pin HTQFP package with top-exposed pad.
- AEC-Q100 qualified for automotive applications
- Grade 1: –40°C to 125°C ambient operating temperature
- Device HBM classification level H1C
- Device CDM classification level C5
- Functional Safety-Capable
- Documentation available to aid functional safety system design
- 4.5V to 65V wide input voltage range
- Synchronous Buck with integrated switches
- Up to 2A continuous output current with 4% accuracy
- Synchronous BOOST controller
- Programmable output voltage up to 65V
- Six floating gate drivers for shunt-FET dimming
- Programmable width and phase setting
- Programmable PWM frequency
- BOOST and BUCK spread-spectrum for EMI mitigation
- BUCK switch thermal protection
- UART serial communication
- Internal oscillator for system clock
- LMM compatible
- Internal EEPROM
- Default settings
- Customer calibration data
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