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Description
[DCDC] Single lithium automatic buck-boost 3V3 output + charging + protection mode
Module use: use single lithium power supply, automatic buck-boost IC: RT6150BGQW, stable output 3V3, also configured IP5305 mobile power IC to charge lithium battery, plus lithium battery protection ICXB5353A to add battery protection
Power size:
Input voltage range: 1.8V-5.5V
Input and output current range: <= 800MA
Output voltage: fixed 3.3V
With 4 LEDs to display power, there are buttons to briefly activate the LED to obtain power
The module is small in size, affordable, the required components are common, and the cost performance is high
The battery protection chip should have all the functions, over-discharge voltage detection 2.7V
Schematic and Layout
https://drive.google.com/file/d/1iajU2gz6yc7PSwklIjs-rGHwajJjCccb/view?usp=sharing
May 10,2020
1,632 views
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[DCDC] Single lithium automatic buck-boost 3V3 output + charging + protection mode
Input voltage range: 1.8V-5.5V
Input and output current range: <= 800MA
Output voltage: fixed 3.3V
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Published: May 10,2020
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