SLVUCE0 may   2023 TPS92200

PRODUCTION DATA  

  1.   1
  2.   TPS92200D1/D2RXLREVM 30-V, 1.5-A Buck LED Driver Evaluation Module
  3.   Trademarks
  4. 1Introduction
  5. 2Warnings and Cautions
  6. 3Description
    1. 3.1 Typical Applications
    2. 3.2 Test Setup
      1. 3.2.1 Connector Description
      2. 3.2.2 Input/Output Connection
  7. 4Performance Data and Typical Characteristics Curves
    1. 4.1 Efficiency
    2. 4.2 Line Regulation
    3. 4.3 Load Regulation
    4. 4.4 Analog Dimming
    5. 4.5 PWM Dimming Waveforms
  8. 5Schematic
  9. 6TPS92200EVM PCB Layout
  10. 7Bill of Materials

3.1 Typical Applications

This converter design describes an application of the TPS92200 as an LED driver using the following specifications. For applications with a different input voltage range or different output voltage and current, see the TPS92200 data sheet (SLUSER4).

Table 3-1 lists the electrical performance specifications.

Table 3-1 TPS92200D1/D2RXLREVM Electrical Performance Specifications
ParameterTest ConditionsMINTYPMAXUnits
Input voltage range, VIN4.030V
Output voltage range, VOUTLED+ to LED–, depends on VIN1<30V
Output current3.3V, 100% duty PWM input0.5A
Output current rippleVIN = 24 V, 6 White LEDs, 1-A output current10mApp
Analog dimming range1.2V Analog input(TPS92200D1RXLREVM)1.2V
Analog dimming range3.3-V PWM amplitude, 50 kHz(TPS92200D2RXLREVM)1100%
PWM dimming range1.2-V PWM amplitude, 100 Hz, VIN = 24 V, 6 White LEDs, 1-A output current(TPS92200D1RXLREVM)1100%
EfficiencyVIN = 12 V, 5 IR LEDs, 1.5 A output current, Analog dimming mode96%
Switching frequency1000kHz