FMDatasheet (PDF)
FM7021DB
Battery Protection IC Lithium-ion/Polymer SOT-23-6
SOT-23-6ROHS CompliantActive
Dual-cell lithium battery protection IC
- Manufacturer
- FM
- Manufacturer part #
- FM7021DB
- Store part #
- C7420386
- Package / case
- SOT-23-6
- Category
- Battery Management
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
2,300 in stock
#C7420386
Stock & price checked 5 days ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 5+ | ₹11.47 | ₹57.35 |
| 50+ | ₹9.09 | ₹454.50 |
| 150+ | ₹7.89 | ₹1,183.50 |
| 500+ | ₹6.99 | ₹3,495.00 |
| 3,000+ | ₹6.27 | ₹18,810.00 |
| 6,000+ | ₹5.91 | ₹35,460.00 |
5 × ₹11.47
₹57.35
excl. GST
₹67.67 incl. 18% GST
- Dispatch in 7–10 working days
- GST invoice with every order
- Standard pack: 3,000 per reel
FM7021DB
₹57.35 for 5 + GST
Specifications
- Operating Temperature
- -40℃~+85℃
- Quiescent Current
- 1.9uA
- 0V Battery Charge
- Support
- Operating Voltage
- 1.5V~10V
- Type of Battery
- Lithium Battery
- Features
- Overcharge protection;Over-discharge protection;Overcurrent Protection;Short-Circuit Protection
- The Chip Type
- Protection IC
Packaging & compliance
- RoHS
- ROHS Compliant
- Lifecycle
- Active
- Packaging
- Tape & Reel (TR)
- Standard pack
- 3,000 / Reel
- Sold per
- Piece
- Minimum order
- 5 (multiples of 5)
- Unit weight
- 0.046 g
Overview
FM7021 is a protection IC with built-in high-precision voltage detection circuit and delay circuit, designed for 2-cell series-connected Li-ion/Li-polymer rechargeable battery packs. This IC provides protection against overcharge, overdischarge, overcurrent, and load short-circuit for 2-cell series-connected Li-ion/Li-polymer rechargeable battery packs.
Applications
- 2-cell series-connected Li-ion rechargeable battery pack
- 2-cell series-connected LiPo rechargeable battery pack
Key features
- High-precision voltage detection circuit
- Overcharge detection voltage VCUn (n = 1, 2) 4.28V accuracy ±25mV
- Overcharge release voltage VCRn (n = 1, 2) 4.08V accuracy ±50mV
- Over-discharge detection voltage VDLn (n = 1, 2) 2.90V accuracy ±80mV
- Over-discharge release voltage VDRn (n = 1, 2) 3.00V accuracy ±100mV
- Discharge overcurrent detection voltage 0.20V accuracy ±30mV
- Charge overcurrent detection voltage −0.17V accuracy ±50mV
- Load short-circuit detection voltage 1.00V accuracy ±0.40V
- All delay times set by internal circuit (no external capacitor required)
- Overcharge detection delay time typical 1.0s
- Over-discharge detection delay time typical 110ms
- Discharge overcurrent detection delay time typical 10ms
- Charge overcurrent detection delay time typical 7.0ms
- Load short-circuit detection delay time typical 250μs
- Low current consumption
- Operating mode typical 4.0μA (VDD = 7.8V)
- Low power consumption mode typical 1.9μA (VDD = 4.0V)
- High withstand voltage design for charger-connected terminals (CS and OC terminals, absolute maximum rating 25V)
- 0V battery charging capability supported
- Compact package: SOT-23-6
Same category
