Overview
The SP4522B is a battery Management IC made by SKYPOWER in a ESOP-8 package with 9 pins. -20℃~+85℃ 1 2.9V 4.2V 4.5V~5.5V Lithium-ion/Polymer ESOP-8 Power Management - Specialized ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SP4522B, from EasyEDA) and its footprint (EasyEDA_Cloud:ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C382122).
Symbol
Footprint
Parameters
1- Features
- Overcurrent Protection, Operating status indication
Order codes
1- SP4522BLCSC C382122
Pinout
9| Pin | Name | Type |
|---|---|---|
| 1 | VDD | Unspecified |
| 2 | OUT | Unspecified |
| 3 | SW | Unspecified |
| 4 | BAT | Unspecified |
| 5 | SWT | Unspecified |
| 6 | LED1 | Unspecified |
| 7 | LED2 | Unspecified |
| 8 | LED3 | Unspecified |
| 9 | GND | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/skypower/SP4522B" title="SP4522B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/skypower/SP4522B.jpg" alt="SP4522B" width="1200" height="900">[](https://pcbkit.io/parts/skypower/SP4522B)Questions
Is there a KiCad symbol and footprint for the SP4522B?
Yes. The symbol is EasyEDA_Cloud:SP4522B and the footprint EasyEDA_Cloud:ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SP4522B?
ESOP-8, with 9 pins. Its footprint is drawn on this page.
Where is the SP4522B datasheet?
SKYPOWER publishes it: the Datasheet link on this page opens it.
Where can I order the SP4522B?
JLCPCB lists it as part C382122, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SP4522B?
Parts like it in the library: the BCT4056DEEA-TR by BROADCHIP, the GC4056 by Gcore, the CL4056A by ChipLink Tech and the CL4056D by ChipLink Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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