NE57611BDH Philipss, NE57611BDH Datasheet - Page 2

• Manufacturer Part Number: NE57611BDH
• Description: Single cell Li-ion battery charger
• Manufacturer: Philipss

Philips Semiconductors
DESCRIPTION
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.
FEATURES
SIMPLIFIED SYSTEM DIAGRAM
2003 Oct 15
30 mV per cell charging accuracy from 0 C to +50 C
Low quiescent current (250 A – ON; 2 A – OFF)
Undervoltage precharge detector
Self-discharge maintenance charging
Single cell Li-ion battery charger
+V
–V
IN
IN
10 F
10 k
Figure 1. Simplified system diagram.
8
1
V
ON/OFF
CC
BC807
3
4
V
LV
SS
1 k
NE57611
BCP51
7
DRV
LVEN
2
BAL74
150
2
R
R
PBYR
240CT
CS
UV
APPLICATIONS
Cellular telephones
Personal Digital Assistants
Other 1-cell Li-ion portable applications
V
6
5
CS
CELL
10 F
V+
V–
BATTERY PACK
Li-ION
CELL
SL01661
NE57611
Product data