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Std edition IP5306 LiPo Charger Booster USB-C

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License: CC-BY-SA 3.0

Published Time: 2022-03-16 02:05:51
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Description

LiPo battery charger, protector and 5V booster based on the IP5306 with USB-C input featuring:

  • synchronous switch-mode charging with up to 2.1A / 91% efficiency,
  • discharging with up to 2.4A,
  • 5V boost converter with up to 92% efficiency,
  • integrated power-path management (charging battery and 5V output at the same time),
  • voltage based fuel gauge indication with 4 LEDs,
  • on/off key,
  • smart load detector (switching to standby mode automatically),
  • less than 100uA standby current,
  • charging/boosting with a single inductor,
  • output over-current, over-voltage, short-circuit protection,
  • input over-voltage, over-current protection,
  • battery over-charge, over-drain, over-current protection,
  • thermal shutdown.

Key functions:

  • If button is pushed longer than 30ms but shorter than 2s, IP5306 will identify the action as short push. Short push will activate state of charge (SOC) indicator LEDs and step-up converter.
  • If two short pushes are detected within 1s, IP5306 will deactivate step-up converter, SOC indicator LEDs and PWR LED (flashlight).
  • If button is pushed longer than 2s, IP5306 will identify the action as long push. Long push will enable or disable PWR LED (flashlight).
  • If button is pushed shorter than 30ms, IP5306 will ignore the action.

IMG_20200806_170113_x.jpg IP5306_efficiency_x.png

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This work is licensed under Creative Commons Attribution-ShareAlike 3.0 Unported License. (http://creativecommons.org/licenses/by-sa/3.0/)

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity BOM_Supplier BOM_Manufacturer BOM_Manufacturer Part BOM_Supplier Part
1 Connector VOUT,VIN,BAT HDR-1X2/2.54 3 LCSC BOOMELE 2.54-1*2PFemale C49661
2 10u C2,C1,C7,C6 0805 4 LCSC SAMSUNG CL21A106KAYNNNE C15850
3 22u C3,C5,C4 0805 3 LCSC SAMSUNG CL21A226MAQNNNE C45783
4 1uH L1 IND-706628_IND_0630_VAN 1 LCSC Prosperity Dielectrics MCS0630-1R0MN2 C385251
5 TS24CA KEY2 SW-SMD_TS24CA 1 LCSC SHOU HAN TS24CA C393942
6 2R R3,R4 0805 2 LCSC Guangdong Fenghua Advanced Tech RS-05L2R00FT C304864
7 5k1 R6,R5 0805 2 LCSC UniOhm 0805W8F5101T5E C27834
8 10k R1 0805 1 LCSC UniOhm 0805W8F1002T5E C17414
9 20R R2 0805 1 LCSC UniOhm 0805W8F200JT5E C17544
10 USB-TYPE-C-6PIN USB1 USB-C-SMD-6P 1 LCSC Korean Hroparts Elec TYPE-C-31-M-17 C283540
11 IP5306 U1 SOP-8_EP_150MIL 1 LCSC INJOINIC IP5306_4.35V C384572
12 PWR LED5 LED-0805 1 LCSC Orient ORH-B35A C205441
13 100% LED4 LED-0805 1 LCSC KENTO 0805G (Green) C2297
14 75% LED3 LED-0805 1 LCSC KENTO 17-21SUYC/TR8 C2296
15 50% LED2 LED-0805 1 LCSC KENTO 17-21SUYC/TR8 C2296
16 25% LED1 LED-0805 1 LCSC NATIONSTAR FC-2012HRK-620D C84256

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