TPS61169EVM Part Information
With a 40-V rated integrated switch FET, the TPS61169 is a boost converter that drives LEDs in series. The boost converter has a 40-V, 1.8-A internal MOSFET with minimum 1.2-A current limit; thus it can drive single or parallel LED strings for small- to largesize panel backlighting. The default white LED current is set with the external sensor resistor, RSET, and the feedback voltage is regulated to 204 mV, as shown in the Simplified Schematic. During the operation, the LED current can be controlled by using a pulse width modulation (PWM) signal applied to the CTRL pin, through which the duty cycle determines the feedback reference voltage. The TPS61169 does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the TPS61169 to prevent the output voltage from exceeding the absolute maximum voltage ratings of the device during open LED conditions. The TPS61169 is available in a space-saving 5-pin SC70 package.
- 1.2-A Minimum Switch Current Limit
- 1.2-MHz Switching Frequency
- 2.7-V to 5.5-V Input Voltage
- 204-mV Reference Voltage
- Built-in Soft-Start
- Drives LED String up to 38 V
- Integrated 40-V, 1.8-A MOSFET
- Internal Compensation
- Open LED Protection
- PWM Brightness Control
- Thermal Shutdown
- Undervoltage Protection
- Up to 90% Efficiency
|Device Topology||Boost (Step Up)|
|No. of Outputs||1Outputs|
|Input Voltage Min||2.7V|
|Input Voltage Max||5.5V|
|Dimming Control Type||PWM|
|Kit Contents||Eval Board TPS61169|
|SVHC||No SVHC (27-Jun-2018)|
Alternative Part Descriptions
- EVAL BOARD, TPS61169 WLED DRIVER; Device Topology:Boost (Step Up); No. of Outputs:1Outputs; Output Current:20mA; Output Voltage:-; Input Voltage Min:2.7V; Input Voltage Max:5.5V; Core Chip:TPS61169; Dimming Control Type:PWM; Kit RoHS Compliant: Yes | Newark Electronics
- TPS61169EVM WLED Driver Evaluation Board | Texas Instruments
Frequently Asked Questions
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Additional datasheets, footprints and schematics for TPS61169EVM are listed in our Part Details tab. You can also find the TPS61169EVM image and similar parts on this details page.
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What category does TPS61169EVM fall under?
The TPS61169EVM is listed under Development Boards Evaluation Tools > Power Management Development Kits > Power Management Development Kits - DC / DC.
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Is the TPS61169EVM RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Farnell.
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Authorised distributors including Newark Electronics and Texas Instruments have stock available or on a lead time for TPS61169EVM.
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