Key Device Compatibility
This chip is a highly versatile, universal power supply component used extensively across major Android brands:
- Xiaomi / Redmi: CC9 Lite, CC9 Pro, 8 Young
- Vivo: X23, X27, NEX
- OPPO / Realme: R17 Pro
- Samsung & Nokia: Used in specific mid-range models like the Nokia 8.1.
Common Variations
When sourcing a replacement part, ensure you match the exact suffix variant printed on the physical chip surface:
- PM670 (e.g., PM670-001): The main power distributor.
- PM670A / PM670L: Companion secondary PMICs often paired together on the same circuit board to share heavy power demands.
Symptoms of a Faulty PM670 IC
If this component fails, the smartphone will usually experience critical hardware issues:
- Dead Device: The phone will not power on or show any signs of life.
- Stuck Charging: Short-circuits within the chip cause the device to draw 0.0A to 0.1A on a USB current tester.
- Severe Overheating: The motherboard area directly over the IC gets extremely hot when a battery is connected.
Repair Notes
Replacing this chip requires advanced micro-soldering skills. Technicians must use a hot air rework station to safely desolder the old Ball Grid Array (BGA) chip, clean the PCB pads, and reball or drop a brand-new PM670 IC into position.
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