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TPS92200D2RXLR

Synchronous Buck LED Driver

The TPS92200D2RXLR is a synchronous buck led driver from Texas Instruments. View the full TPS92200D2RXLR datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

TPS92200D2RXLR shares its datasheet with TPS92200D2, whose page lists every part number it covers.

Official TPS92200D2RXLR datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

Category

Integrated Circuits

Package

VQFN-HR-6

TPS92200D2RXLR Key Specifications

ParameterValue
Dimming TypeAnalog (via PWM duty cycle)
Output Current1.5A
Package Dimensions1.50mm x 2.00mm
Input Voltage Range4V to 30V
Switching Frequency1MHz
Operating Temperature Range-40°C to 125°C

TPS92200D2RXLR Overview

Part: TPS92200D2DDCR — Texas Instruments

Type: Synchronous Buck LED Driver

Description: 4–30 V input, 1.5 A continuous output synchronous buck LED driver with integrated 150 mΩ/90 mΩ MOSFETs, 1 MHz switching frequency, and 99 mV ±3 mV feedback reference. The D2 variant provides analog dimming via a PWM digital input.

Operating Conditions:

  • Supply voltage: 4–30 V
  • Operating temperature: -40 to 125 °C (junction)
  • Switching frequency: 1 MHz typical (0.8–1.2 MHz)
  • Maximum duty cycle: 99% typical

Absolute Maximum Ratings:

  • Max supply voltage (VIN): 32 V
  • Max SW voltage: 32 V
  • Max junction temperature: 150 °C
  • Storage temperature: -65 to 150 °C

Key Specs:

  • FB reference voltage: 96/99/102 mV (min/typ/max), VDIM = 3.3 V
  • VIN UVLO: 3.7 V typical rising (3.5–3.9 V), 3.5 V typical falling
  • Shutdown current: 1 μA typical, 3 μA max (VIN = 12 V, VDIM = 0 V)
  • Normal operating current: 0.5 mA typical, 1 mA max (VDIM = 3.3 V)
  • High-side FET RDS(on): 150 mΩ typical; low-side FET RDS(on): 90 mΩ typical (VIN ≥ 5 V)
  • High-side current limit: 2.9/3.3/4 A (min/typ/max)
  • Minimum on-time: 75 ns typical (100 ns max); minimum off-time: 65 ns typical (90 ns max)
  • Thermal shutdown: 165 °C typical, 15 °C hysteresis
  • Internal soft-start: 0.5 ms typical
  • D2 analog dimming: FB reference down to 1 mV at DIM duty cycle ≤ 3%

Features:

  • Peak current mode control with internal compensation
  • TPS92200D2: analog dimming with digital (PWM duty) input, 1% to 100% range
  • Ultra-low output discharge current from load: 1 μA typical
  • LED open-load protection
  • LED+ short-to-GND protection with auto-retry
  • LED+ and LED- short circuit protection with auto-retry
  • Sense-resistor open-load and short-to-GND protection with auto-retry
  • Thermal shutdown protection with auto-retry
  • Hiccup mode on current limit or FB overvoltage

Applications:

  • Video surveillance IR/white LED driver
  • Facial recognition IR LED driver
  • Stage lighting LED driver
  • General industrial and commercial illumination
  • Medical UV LED driver
  • AA or Li-Ion battery charger

Package:

  • SOT-23-THIN (6) DDC, 1.60 mm × 2.90 mm (TPS92200D2DDCR)
  • VQFN-HR (6) RXL, 1.50 mm × 2.00 mm (other orderable variants)

TPS92200D2RXLR Features

  • 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

TPS92200D2RXLR Applications

  • Video surveillance IR/White LED driver
  • Facial recognition IR LED driver
  • Stage lighting LED driver
  • General industrial and commercial illumination
  • Medical UV LED driver
  • AA or Li-Ion battery charger

TPS92200D2RXLR Pin Configuration

Figure 5-1. DDC Package 6-Pin SOT-23-THIN Top View

Figure 5-2. RXL Package 6-Pin VQFN-HR Top View

Table 5-1. Pin Functions

PIN - NAMEPIN - DDC NO.PIN - RXL NO.TYPE (1)DESCRIPTION
BOOT61OA bootstrap capacitor is required between BOOT and SW.
FB16ILED current detection feedback
GND34GPower ground
DIM25IDimming input. In PWM dimming mode, LED current is turned ON and OFF according to PWM duty cycle periodically (TPS92200D1). In analog dimming mode, the internal reference is proportional to the analog voltage on DIM pin (TPS92200D1) or the PWM duty input (TPS92200D2).
SW52OSwitching node to external inductor
VIN43PInput supply voltage
  • (1) I = Input, O = Output, P = Supply, G = Ground

TPS92200D2RXLR Electrical Characteristics

The electrical ratings specified in this section apply to all specifications in this document, unless otherwise noted. These specifications are interpreted as conditions that do not degrade the device parametric or functional specifications for the life of the product containing it. T J = -40°C to +125°C, VIN = 4 V to 30 V, (unless otherwise noted).

PARAMETERPARAMETERTEST CONDITIONSMINTYPMAXUNIT
INPUT SUPPLYINPUT SUPPLYINPUT SUPPLYINPUT SUPPLYINPUT SUPPLYINPUT SUPPLYINPUT SUPPLY
V INInput voltage range430V
V IN_UVLOV undervoltage lockoutRising V IN3.53.73.9V
IN
Hysteresis		Falling V IN3.33.5
0.2		3.7V
V
I SDShut down current from V INV IN = 12 V, V DIM = 0 V13μA
I DISCDischarge current from SW and BOOTV IN floating, V DIM = 0 V13μA
I OPNormal operating currentV DIM = 3.3 V0.51mA
DIMMINGDIMMINGDIMMINGDIMMINGDIMMINGDIMMINGDIMMING
V DIM_LLow-level input voltage0.3V
V DIM_HHigh-level input voltage0.65V
V ANAAnalog dimming range (TPS92200D1 only)0.651.2V
t DIM_ON1DIM minimum on time to enable device (TPS92200D2 only)V DIM = 3.3 V190300nS
t DIM_ON2DIM minimum on time when PWM dimming (TPS92200D2 only)V DIM = 3.3 V150nS
t DIM_OFFDIM minimum off time to disable deviceV DIM = 0 V36mS
FEEDBACK AND ERROR AMPLIFIERFEEDBACK AND ERROR AMPLIFIERFEEDBACK AND ERROR AMPLIFIERFEEDBACK AND ERROR AMPLIFIERFEEDBACK AND ERROR AMPLIFIERFEEDBACK AND ERROR AMPLIFIERFEEDBACK AND ERROR AMPLIFIER
V FB_REFFB pin reference voltageV DIM = 3.3 V9699102mV
V FB_OVPFB pin over voltage protection thresholdV DIM = 3.3 V140mV
V FB_DMAXFB reference voltage when maximum dimming input (TPS92200D1 only)V DIM = 1.2 V99mV
V FB_DMINFB reference voltage when minimum dimming input (TPS92200D1 only)V DIM = 0.65 V5mV
V FB_DMINFB reference voltage when minimum dimming duty cycle (TPS92200D2 only)DIM pin duty cycle <= 3%1mV
POWER STAGEPOWER STAGEPOWER STAGEPOWER STAGEPOWER STAGEPOWER STAGEPOWER STAGE
R HSHigh-side FET on resistanceV IN ≥ 5 V150mΩ
R LSLow-side FET on resistanceV IN ≥ 5 V90mΩ
CURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMIT
I LIM_HSHigh-side current limit2.93.34A
I LIM_LS_SOURLow-side sourcing current limit2.433.6A
I LIM_LS_SINKLow-side sinking current limit1.41.82.4A
THERMAL PROTECTIONTHERMAL PROTECTIONTHERMAL PROTECTIONTHERMAL PROTECTIONTHERMAL PROTECTIONTHERMAL PROTECTIONTHERMAL PROTECTION
T TSDThermal shutdown temperature
Hysteresis		165
15		°C
°C

TPS92200D2RXLR Absolute Maximum Ratings

over operating ambient temperature range (unless otherwise noted) (1)

MINMAXUNIT
Input voltage range, V IIN-0.332V
Input voltage range, V IDIM-0.37V
Input voltage range, V IFB-0.37V
Output voltageBOOT-SW-0.37V
Output voltageSW-0.332V
Output voltageSW (20 ns transient)-532V
Operating junction temperature, T JOperating junction temperature, T J-40150°C
Storage temperature range, T stgStorage temperature range, T stg-65150°C

TPS92200D2RXLR Recommended Operating Conditions

over operating ambient temperature range (unless otherwise noted)

MINMAXUNIT
Input voltage rangeIN430V
Input voltage rangeDIM-0.16V
Input voltage rangeFB-0.16V
Output voltage rangeBOOT-SW-0.16V
Output voltage rangeSW-0.130V
Operating Junction temperature, T JOperating Junction temperature, T J-40125°C

TPS92200D2RXLR Thermal Information

THERMAL METRIC (1) - R θJATHERMAL METRIC (1) - Junction-to-ambient thermal resistanceTPS92200 DDC (SOT23-6) 6 PINSTPS92200 RXL (VQFN-HR-6) 6 PINSUNIT
R θJC(top)Junction-to-case (top) thermal resistance123.4136.1°C/W
60.595.3°C/W
R θJBJunction-to-board thermal resistance41.449.3°C/W
ψ JTJunction-to-top characterization parameter12.34.6°C/W
ψ JBJunction-to-board characterization parameter40.948.1°C/W

TPS92200D2RXLR Typical Application

The TPS92200 device is typically used as a buck converter to drive one or more LEDs from a 4-V to 30-V input.

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
TPS92200D2Texas Instruments—
TPS92200D2DDCRTexas InstrumentsSOT-23-6 Thin, TSOT-23-6

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