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TPS92200

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4-V to 30-V input voltage, 1.5-A output current, synchronous buck LED driver with dimming options

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Data sheet

TPS92200

ACTIVE
Data sheet Order now

Product details

Input voltage type DC/DC Topology Buck, Inductive Vin (min) (V) 4 Vin (max) (V) 30 Iout (max) (A) 1.5 Iq (typ) (mA) 0.5 Features Enable, Over Current Protection, Synchronous Rectification Operating temperature range (°C) -40 to 85 Dimming method Analog, PWM Number of channels 1 Rating Catalog
Input voltage type DC/DC Topology Buck, Inductive Vin (min) (V) 4 Vin (max) (V) 30 Iout (max) (A) 1.5 Iq (typ) (mA) 0.5 Features Enable, Over Current Protection, Synchronous Rectification Operating temperature range (°C) -40 to 85 Dimming method Analog, PWM Number of channels 1 Rating Catalog
SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8 VQFN-HR (RXL) 6 3 mm² 2 x 1.5
  • 4-V to 30-V wide input range
  • Integrated 150-mΩ and 90-mΩ MOSFETs for 1.5-A continuous output current
  • Ultra-low shut-down current: 1 µA
  • Ultra-low output discharge current from load: 1 µA
  • 1-MHz switching frequency
  • Maximum duty cycle up to 99%
  • Peak current mode with internal compensation
  • Flexible dimming options:
    • TPS92200D1: PWM dimming with digital input and analog dimming with analog input
    • TPS92200D2: analog dimming with digital input
  • Ultra-low and accurate FB voltage: 99 mV ±3 mV
  • Full protection features:
    • LED open-load protection
    • LED+ short-to-GND protection with auto-retry
    • LED+ and LED– short circuitry protection with auto-retry
    • Sense-resistor open-load and short-to-GND protection with auto-retry
    • Thermal shutdown protection with auto-retry
  • SOT23 (6) package
  • VQFN-HR (6) package
  • 4-V to 30-V wide input range
  • Integrated 150-mΩ and 90-mΩ MOSFETs for 1.5-A continuous output current
  • Ultra-low shut-down current: 1 µA
  • Ultra-low output discharge current from load: 1 µA
  • 1-MHz switching frequency
  • Maximum duty cycle up to 99%
  • Peak current mode with internal compensation
  • Flexible dimming options:
    • TPS92200D1: PWM dimming with digital input and analog dimming with analog input
    • TPS92200D2: analog dimming with digital input
  • Ultra-low and accurate FB voltage: 99 mV ±3 mV
  • Full protection features:
    • LED open-load protection
    • LED+ short-to-GND protection with auto-retry
    • LED+ and LED– short circuitry protection with auto-retry
    • Sense-resistor open-load and short-to-GND protection with auto-retry
    • Thermal shutdown protection with auto-retry
  • SOT23 (6) package
  • VQFN-HR (6) package

The TPS92200 device is a 1.5-A synchronous buck LED driver with 30-V maximum input voltage. By integrating the high-side and low-side NMOS switches, the TPS92200 device provides high power density with high efficiency in an ultra-small solution size. The TPS92200 device uses peak-current-mode control and full internal compensation to provide high transient response performance over a wide range of operating conditions.

The TPS92200 device supports flexible dimming methods. TPS92200D1 implements both PWM and analog dimming modes. In PWM dimming mode, LEDs turn on and off according to PWM duty cycle periodically. The device’s analog dimming mode is achieved by changing the internal reference voltage proportional to the voltage level of the analog input in 5% to 100% range. TPS92200D2 implements deeper analog dimming by changing the internal reference voltage proportional to the duty cycle of the PWM signal input in 1% to 100% range.

For safety and protection, the TPS92200 devices implement full protections, including LED open, LED+ short-to-GND, LED short, sense resistor open and short, and device thermal protection.

The TPS92200 device is a 1.5-A synchronous buck LED driver with 30-V maximum input voltage. By integrating the high-side and low-side NMOS switches, the TPS92200 device provides high power density with high efficiency in an ultra-small solution size. The TPS92200 device uses peak-current-mode control and full internal compensation to provide high transient response performance over a wide range of operating conditions.

The TPS92200 device supports flexible dimming methods. TPS92200D1 implements both PWM and analog dimming modes. In PWM dimming mode, LEDs turn on and off according to PWM duty cycle periodically. The device’s analog dimming mode is achieved by changing the internal reference voltage proportional to the voltage level of the analog input in 5% to 100% range. TPS92200D2 implements deeper analog dimming by changing the internal reference voltage proportional to the duty cycle of the PWM signal input in 1% to 100% range.

For safety and protection, the TPS92200 devices implement full protections, including LED open, LED+ short-to-GND, LED short, sense resistor open and short, and device thermal protection.
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Technical documentation

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Type Title Date
* Data sheet TPS92200 4-V to 30-V Input Voltage, 1.5-A Output Current, Synchronous Buck LED Driver With Flexible Dimming Options datasheet (Rev. B) PDF | HTML 12 Jan 2022
Certificate TPS92200D2RXLREVM EU RoHS Declaration of Conformity (DoC) 02 Dec 2022
Certificate TPS92200D1RXLREVM EU RoHS Declaration of Conformity (DoC) 01 Dec 2022
User guide TPS92200EVM User's Guide PDF | HTML 09 Dec 2021
White paper Common LED Functions and LED Driver Design Considerations 21 Sep 2020
Application note Loop Response Considerations for Peak Current Mode Buck LED Driver Application 17 Jun 2020
EVM User's guide TPS92200EVM 30-V, 1.5-A Buck LED Driver Evaluation Module PDF | HTML 28 Nov 2018

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS92200D1EVM — TPS92200D1 synchronous buck LED driver evaluation module

The TPS92200D1EVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPS92200D1 synchronous buck switching regulator designed for high-current LED driver applications. The TPS92200D1 is a 1.5-A synchronous buck LED driver and features a wide input voltage range (4 (...)

User guide: PDF | HTML
Not available on TI.com
Evaluation board

TPS92200D2EVM — TPS92200D2 synchronous buck LED driver evaluation module

The TPS92200D2EVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPS92200D2 synchronous buck switching regulator designed for high-current LED driver applications. The TPS92200D2 is a 1.5-A synchronous buck LED driver and features a wide input voltage range (...)
User guide: PDF | HTML
Not available on TI.com
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Reference designs

TIDA-050042 — 1-s to 6-s, up to 1.5-A li-ion battery charger reference design with switching CC source

This reference design demonstrates a cost-optimized onboard battery-charger solution for mid- or low-end vacuum robots, which has up to 1.5-A charging-current capability with a small layout area, providing ±3% charging-voltage accuracy and ±3% charging-current accuracy.

The design enables a stable (...)

Design guide: PDF
Schematic: PDF
Package Pins Download
SOT-23-THN (DDC) 6 View options
VQFN-HR (RXL) 6 View options
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