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Provider: Pro-Logic Technologies, Kangari Building, Nairobi
The Charging IC (Integrated Circuit) is the dedicated chip that manages the charging process — controlling the rate at which current flows from the charger into the battery, implementing the charge curve (constant current followed by constant voltage), communicating with the charger about its output capability (in USB Power Delivery and Quick Charge systems), and protecting the battery from overcharge. On many modern devices it also manages fast charging negotiation, which is why its failure often manifests as slow charging rather than no charging.
Charging IC Failure Symptoms
- Phone charges only at the slowest rate regardless of charger used
- Phone shows "charging" but the battery percentage does not increase
- Charger becomes unusually hot while connected — the IC is not regulating load correctly
- Phone accepts only certain chargers and rejects others (PD negotiation failing)
- After a power surge or lightning strike, charging function is completely absent
Estimated Charging IC Replacement Costs in Nairobi (2024–2025)
| Device Category | Labour (KES) | Parts (KES) | Total Estimate (KES) |
|---|---|---|---|
| Budget Android (basic charging IC) | 3,000 – 5,500 | 800 – 2,500 | 3,800 – 8,000 |
| Mid-range Android (Quick Charge IC) | 4,000 – 7,000 | 1,500 – 4,000 | 5,500 – 11,000 |
| Samsung Galaxy S-series (fast charge IC) | 5,000 – 9,000 | 2,500 – 6,000 | 7,500 – 15,000 |
| iPhone (TIGRIS / BUMP charging IC) | 4,500 – 8,500 | 2,000 – 5,500 | 6,500 – 14,000 |
| iPhone 12–15 MagSafe-compatible IC | 5,500 – 10,000 | 3,000 – 7,000 | 8,500 – 17,000 |
The charging IC is a BGA or QFN chip requiring precise micro-soldering. Incorrect installation can result in continued charging failure or battery damage.
Confirming the Fault
Not every slow charging problem is a charging IC fault. Check cable quality, charger wattage, USB-C port cleanliness, and battery health before commissioning a board-level repair. A diagnostic session at KES 1,000–2,000 will confirm the fault source.
Pro-Logic Technologies at Kangari Building, Nairobi diagnoses charging faults systematically — from cable through port through IC — before any board-level work is undertaken.
