EG4321
Battery Charging IC Lithium Battery SOP-8
Lithium battery charging management chip
- Manufacturer
- EG Micro
- Manufacturer part #
- EG4321
- Store part #
- C481163
- Package / case
- SOP-8
- Category
- Battery Management
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
3,175 in stock
#C481163
Stock & price checked 6 days ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 5+ | ₹19.01 | ₹95.05 |
| 50+ | ₹14.94 | ₹747.00 |
| 150+ | ₹12.89 | ₹1,933.50 |
| 500+ | ₹11.36 | ₹5,680.00 |
| 2,500+ | ₹9.87 | ₹24,675.00 |
| 4,000+ | ₹9.25 | ₹37,000.00 |
5 × ₹19.01
₹95.05
excl. GST
₹112.16 incl. 18% GST
- Dispatch in 7–10 working days
- GST invoice with every order
- Standard pack: 4,000 per reel
EG4321
₹95.05 for 5 + GST
Specifications
- Operating Temperature
- -45℃~+85℃
- Quiescent Current
- 1.6mA
- 0V Battery Charge
- Not supported
- Type of Battery
- Lithium Battery
- Operating Voltage
- 3.5V~18V
- Features
- Constant current charging;Constant voltage charging;Programmable charging current
- The Chip Type
- Charging IC
Packaging & compliance
- RoHS
- ROHS Compliant
- Lifecycle
- Active
- ECCN
- EAR99
- Packaging
- Tape & Reel (TR)
- Standard pack
- 4,000 / Reel
- Sold per
- Piece
- Minimum order
- 5 (multiples of 5)
- Unit weight
- 0.147 g
Overview
EG4321 is a lithium battery charge management IC designed for AC/DC power supplies. It features constant voltage, constant current, and automatic state switching functions, with an integrated dual-LED charge indicator switching circuit and driver circuit, greatly reducing the external component count, improving system stability, and lowering production costs. The EG4321 integrates a 2.5V reference voltage source, a 140mV reference voltage source, and a 20mV reference voltage source, along with two op-amps, a current comparator, and an LED control driver circuit. The 2.5V reference voltage source and one internal op-amp form a precision voltage control loop — users can adjust the output voltage for the lithium battery constant voltage phase by setting the values of two external voltage-sampling resistors. The 140mV reference voltage source and the other internal op-amp form a precision current control loop — users can adjust the output current for the lithium battery constant current phase by setting the value of the external current-sampling resistor. The 20mV reference voltage source and the internal current comparator form a precision dual-LED control circuit.
Applications
- Various lithium battery chargers
- Balance scooter chargers
- Inverter chargers
- Electric vehicle chargers
Key features
- Dedicated to lithium battery charge control, integrating constant voltage, constant current, and charge-status indicator switching control modules
- Internal precision triple voltage reference sources dedicated to constant voltage, constant current, and charge-status indicator module circuits
- Internal dual-LED charge indicator switching and driver circuits
- Minimal external components
- Easy compensation
- Low quiescent current: 1.6mA
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