Varnitronics
FM5057 FM
FM

FM5057

Battery Protection IC Lithium-ion/Polymer SOT-89-5

SOT-89-5ROHS CompliantActive

Two-in-one lithium battery protection IC

Manufacturer
FM
Manufacturer part #
FM5057
Store part #
C841293
Package / case
SOT-89-5
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

1,590 in stock

#C841293

Stock & price checked 5 days ago

QuantityUnit pricePack price
5+₹18.46₹92.30
50+₹14.72₹736.00
150+₹12.86₹1,929.00
500+₹11.46₹5,730.00
2,500+₹9.82₹24,550.00
4,000+₹9.25₹37,000.00

5 × ₹18.46

₹92.30

excl. GST

₹108.91 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 7–10 working days
  • GST invoice with every order
  • Standard pack: 4,000 per reel

FM5057

₹92.30 for 5 + GST

Specifications

Operating Temperature
-40℃~+85℃
Quiescent Current
3uA
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
4,000 / Reel
Sold per
Piece
Minimum order
5 (multiples of 5)
Unit weight
0.099 g

Overview

The FM5057 is a highly integrated protection solution for single-cell Li-ion/Li-polymer rechargeable battery packs. It integrates advanced power MOSFETs, high-precision voltage detection circuitry, and delay circuits. The FM5057 provides all essential battery protection functions including overcharge, over-discharge, overcurrent, and short-circuit protection, while maintaining ultra-low operating power consumption. This IC is suitable for a wide range of information products requiring extended runtime from Li-ion or Li-polymer rechargeable batteries.

Applications

  • Single-cell Li-ion battery pack
  • Lithium polymer battery pack

Key features

  • Integrated advanced power MOSFET with equivalent resistance of ~15.8mΩ
  • 2-level discharge overcurrent protection: overdischarge current 1, load short-circuit current
  • Charge overcurrent protection
  • 0V charging capability
  • Internally set delay time
  • High-accuracy voltage detection
  • Low quiescent current: 3.0μA normal operating current
  • RoHS and lead-free compliant
  • SOT89-5 plastic package

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