| Parametric | TLD5541-1QV |
|---|
| VS
min
max | 4.5V
40.0V |
|---|
| fSW
min
max | 200.0kHz
700.0kHz |
|---|
| Tolerance | 3.0% |
|---|
| Short Circuit Protection | Y |
|---|
| Inhibit | Y |
|---|
| PWM | Y |
|---|
| Open Load Detection | Y |
|---|
| Iq | 1.5µA |
|---|
| Operating Temperature
min
max | -40.0°C
150.0°C |
|---|
| Sales Product Name | TLD5541-1QV |
|---|
| OPN | TLD55411QVXUMA1 |
|---|
| Product Status | active and preferred |
|---|
| Package Name | PG-VQFN-48 |
|---|
| Completely lead free | yes |
|---|
| Halogen free | yes |
|---|
| RoHS compliant | yes |
|---|
| Packing Size | 2500 |
|---|
| Packing Type | TAPE & REEL |
|---|
| |
|---|
| Summary of Features:- MOSFET H-Bridge with Single Inductor DC/DC Controller for high power BUCK-BOOST LED control
- Constant Current and Constant Voltage Regulation
- Wide VIN Range (Device 4.5V to 40V, Power Stage 4.5V to 55V)
- Wide LED forward voltage Range (2V up to 55V)
- Maximum Efficiency in every condition (up to 96%)
- Limp Home Function (Fail Safe Mode)
- Flexible current sense (Highside or Lowside)
- LED current accuracy+/-3% at Tj=25° and 4% over the whole automotive temperature range
- Provides output current accuracy calibration for improved system accuracy
- 16bit SPI for diagnostics and control, providing daisy chain capability
- EMC optimized device: Features an auto Spread Spectrum concept to ensure best in class EMC performance
- Provides improved dynamic behavior (load jump behavior) and adjustable Short to GND threshold
- LED and Input current sense with dedicated monitor Outputs
- Smart power protection features for device and load (open load, short of Load, Overtemperature)
- Switching Frequency Range from 200 kHz to 700 kHz
- Capability to supply Gate Drivers via external Voltage Regulator
- Adjustable Soft Start
- Enhanced Dimming features to adjust average LED current and PWM dimming
- Available in a small thermally enhanced VQFN-48-31 package
- Automotive AEC qualified
Target Applications:- Especially designed for driving high power LEDs in automotive applications
- Automotive Exterior Lighting: full LED headlamp assemblies (Low Beam, High Beam, Matrix Beam, Pixel Light)
- General purpose current/voltage controlled DC/DC LED driver
 |
