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參數(shù)資料
| 型號(hào)： | 935270460518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | 3.90 MM, PLASTIC, MS-012, SOT-96, SO-8 |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 118K |
| 代理商： | 935270460518 |
Philips Semiconductors
Product data
NE57606
2 to 4 cell redundant Lithium-ion overcharge monitor
2
2002 Oct 10
853-2296 27198
GENERAL DESCRIPTION
The NE57606 is a redundant overcharge detection IC for
use within 2-4 cell Li-ion battery packs. It detects the voltage
of each Li-ion cell and issues an overcharge signal which
then can be used to alert the portable host or be used to
turn-off a series charge MOSFET within the battery pack. Its
purpose is to act as a back-up protection circuit to a primary
Li-ion protection circuits such as the NE57605 and
NE57607. The overcharge signal is an open collector output
which can be wire-ORed with other safety functions.
FEATURES
Consumption current (V
CEL = 3.8 V) 3.0 A typical
Consumption current (V
CEL = 2.3 V) 0.3 A typical
Input current between cell pins (V
CEL = 3.8 V) ±0.3 A max
Overcharge detection voltage = threshold voltage ± 50 mV
Overcharge detection delay time (CT = 0.22 F) 1.5 s typical
Four voltage ranges available
APPLICATIONS
Li-ion Battery pack protection
SIMPLIFIED DEVICE DIAGRAM
SL01558
OV REF
VC4
GND
OUT
OV REF
VC3
OV REF
VC2
OV REF
VC1
0.7 V
VCC
CT
Voltage options
The device has 4 voltage options.
Part Number
Detection voltage
Hysteresis
NE57606Y
4.350 V
250 mV
NE57606C
4.225 V
None
NE57606D
4.130 V
None
NE57606E
4.450 V
100 mV
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