This reference design uses the boost converter TPS61021A to provide a high-efficiency LED driver circuit with dimming capabilities. The PWM dimming method can be used for one or two AA battery input applications, while the analog dimming method can be used for one AA battery input application. The PMP15037 enables dimming functionality by adding multiple resistors and a MOSFET to the circuit, making it a cost-effective and efficient solution for LED driver applications.
Blockdiagram
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