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NCP802SN1T1 Datasheet

  • NCP802SN1T1

  • Highly Integrated Lithium Battery Protection Circuit for One...

  • 23頁

  • ONSEMI

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NCP802
Highly Integrated Lithium
Battery Protection Circuit
for One Cell Battery Packs
The NCP802 resides in a lithium battery pack where the battery cell
continuously powers it. This circuit senses cell voltage, charge
current, and discharge current, and correspondingly controls the state
of two, N鈭抍hannel MOSFET switches. These switches reside in series
with the negative terminal of the cell and the negative terminal of the
battery pack. During a fault condition, the NCP802 open circuits the
pack by turning off one of these MOSFET switches, which
disconnects the current path. Internal delay circuitry minimizes
external component count.
Features
http://onsemi.com
MARKING
DIAGRAMS
6
1
SOT23鈭?
SN SUFFIX
CASE 1262
XXxx
鈥?/div>
Highly Accurate Overvoltage Detector
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
"25
mV at Room Temperature
"30
mV from 鈭? to 55擄C
Fault Detection Thresholds
Overvoltage Threshold:
SN1/SAN1 = 4.35 V, SAN5 = 4.275 V, SAN6 = 4.28 V
Undervoltage Threshold:
SN1/SAN1 = 2.4 V, SAN5/6 = 2.3 V
Discharge Current Threshold:
SN1/SAN1/SAN6 = 0.2 V, SAN5 = 0.1 V
Charge Current Threshold: 0.1 V
Internal Output Delays
Overvoltage Output Delay:
SN1/SAN1/SAN6 = 250 ms, SAN5 = 1 ms
Undervoltage Output Delay: 20 ms
Discharge Current Output Delay:
SN1/SAN1/SAN6 = 12 ms, SAN5 = 6 ms
Charge Current Output Delay:
SN1/SAN1/SAN6 = 16 ms, SAN5 = 8 ms
Absolute Maximum Rating of 28 V for the Charger Input
Low Quiescent Current
Normal Operating Current: 3.0
mA
Standby Current when Cells are Discharged: 0.1
mA
Zero Volt Charging
Available in a Low Profile Surface Mount Package
Pb鈭扚ree Package is Available*
6
1
SON鈭?
SAN SUFFIX
CASE 494
XX
xx
XX = Specific Device Code
xx = Date Code
PIN CONNECTIONS
DO 1
P鈭?2
CO 3
SOT23鈭?
(Top View)
DO
V
cell
Gnd
1
2
3
SON鈭?
(Top View)
6
5
4
P鈭?/div>
CO
DS
6
5
4
Gnd
V
cell
DS
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 20 of this data sheet.
*For additional information on our Pb鈭扚ree
strategy and soldering details, please download
the ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
漏
Semiconductor Components Industries, LLC, 2004
1
September, 2004 鈭?Rev. 10
Publication Order Number:
NCP802/D

NCP802SN1T1 產(chǎn)品屬性

  • 0現(xiàn)貨

  • 停產(chǎn)

  • -

  • 卷帶（TR）

  • 停產(chǎn)

  • 電池保護(hù)

  • 鋰離子

  • 1

  • 過流，過/欠壓

  • -

  • -40°C ~ 85°C（TA）

  • 表面貼裝型

  • SOT-23-6

  • SOT-23-6

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