HM5433G
HM5433G is One Cell Lithium-ion/Polymer Battery Protection manufactured by H&M Semiconductor.
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One Cell Lithium-ion/Polymer Battery Protection IC
GENERAL DESCRIPTION
The HM5433G product is a high integration solution for lithiumion/polymer battery protection.
HM5433G contains advanced power
MOSFET, high-accuracy voltage detection circuits and delay circuits.
HM5433G is put into an ultra-small
SOT23-3 package and only one external ponent makes it an ideal solution in limited space of battery pack.
HM5433G has all the protection functions required in the battery application including overcharging, overdischarging, overcurrent and load short circuiting protection etc. The accurate overcharging detection voltage ensures safe and full utilization charging. The low standby current drains little current from the cell while in storage. The device is not only targeted for digital cellular phones, but also for any other Li-Ion and Li-Poly battery-powered information appliances requiring longterm battery life.
Features
- Protection of Charger Reverse Connection
- Protection of Battery Cell Reverse Connection
- Integrate Advanced Power MOSFET with Equivalent of 56mΩ RSS(ON)
- Ultra-small SOT23-3 Package
- Only One External Capacitor Required
- Over-temperature Protection
- Overcharge Current Protection
- Two-step Overcurrent Detection:
-Overdischarge Current -Load Short Circuiting
- Charger Detection Function
- 0V Battery Charging Function
- Delay Times are generated inside
- High-accuracy Voltage Detection
- Low Current Consumption
- Operation Mode: 2.8μ A typ.
- Power-down Mode: 1.5μ A typ.
- Ro HS pliant and Lead (Pb) Free
APPLICATIONS
One-Cell Lithium-ion Battery Pack Lithium-Polymer Battery Pack
Figure 1. Typical Application...
