Philips NE57611BDH
The NE57611 is a one-cell, Li-ion battery charger controller which includes constant-current and constant voltage charging, a precise charge termination, and precharging of undervoltage cells. It contains the minimum circuitry needed to safely charge a lithium-ion or lithium-polymer cell. This makes it good for very compact, portable applications.| Part No. | NE57611BDH |
|---|---|
| Datasheet | NE57611BDH Download |
| Manufacturer |  Philips |
| Description | Single cell Li-ion battery charger |
| Buy | Stock & Price |
DESCRIPTION
FEATURES
● 30 mV per cell charging accuracy from 0 °C to +50 °C● Low quiescent current (250 µA – ON; 2 µA – OFF)
● Undervoltage precharge detector
● Self-discharge maintenance charging SIMPLIFIED SYSTEM DIAGRAM BC807 10 kΩ BAL74
APPLICATIONS
● Cellular telephones● Personal Digital Assistants
● Other 1-cell Li-ion portable applications RUV +VIN BCP51 PBYR 240CT V+ BATTERY PACK 1 kΩ 3 LV 8 10 µF 1 ON/OFF VSS 4 VCC 7 150 Ω 6 VCELL DRV NE57611 10 µF Li-ION CELL LVEN 2 CS 5 –VIN RCS V– SL01661 Figure 1. Simplified system diagram. 2003 Oct 15 2 Philips Semiconductors Product data Single cell Li-ion battery charger NE57611 ORDERING INFORMATION PACKAGE TYPE NUMBER NAME NE57611BDH VSOP-8A (TSSOP)
DESCRIPTION
plastic thin shrink small outline package; 8 leads; body width 4.4 mm TEMPERATURE RANGE –20 to +70 °C PIN CONFIGURATION TOP VIEW ON/OFF LVEN LV VSS 1 2 3 4 8 7 6 5 VCC DRV VCELL CS PINDESCRIPTION
PIN 1 SYMBOL ON/OFFDESCRIPTION
ON/OFF control input pin for the IC. ON/OFF = VCC: OFF ON/OFF = GND: ON 2 LVEN Low voltage detection circuit ON/OFF control.
