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LN2053_E Datenblatt(PDF) 7 Page - Shanghai Natlinear Electronics Co., Ltd.

Teilenummer LN2053_E
Bauteilbeschribung  1A is compatible with the USB interface, linear battery management chip
PDF  11 Pages
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Hersteller  NATLINEAR [Shanghai Natlinear Electronics Co., Ltd.]
Direct Link  http://www.natlinear.com/en/index/index
Logo NATLINEAR - Shanghai Natlinear Electronics Co., Ltd.

LN2053_E Datenblatt(HTML) 7 Page - Shanghai Natlinear Electronics Co., Ltd.

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LN2053
Rev.1.1 —Aug. 20, 2015
7
www.natlinear.com
Lithium iron phosphate battery version:
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Input supply voltage
Vcc
4
6.5
V
Input supply current
Icc
Charge mode,Riset=10K
200
2000
uA
Standby mode
200
500
uA
Shutdown mode(Riset not
connected,Vcc<Vbat or Vcc<Vuv)
25
50
uA
Regulated Output Voltage
Vfloat
0℃≤TA≤85℃,IBAT=40mA
3.6
3.65
3.7
V
BAT pin Current
Ibat
Riset=10k,Current mode
93
100
140
mA
Riset=1k,Current mode
930
1000
1070
mA
Riset=660,Current mode
1400
1500
1600
mA
Standby mode,Vbat=3.65V
0
-2.5
-6
uA
Shutdown mode
1
2
uA
Sleep mode,Vcc=0V
1
2
uA
Trickle charge current
Itrikl
Vbat<Vtrikl,Rprog=2k
20
45
70
mA
Trickle charge Threshold Voltage
Vtrikl
Riset=10K，Vbat Rising
2.4
2.5
2.6
V
Trickle voltage hysteresis voltage
Vtrhys
Riset=10k
60
80
110
mV
Vcc Undervoltage lockout
Threshold
Vuv
From Vcc low to high
2.9
3.0
3.1
V
Vcc undervoltage lockout
hysteresis
Vuvhys
50
80
100
mV
Manual shutdown
threshold
voltage
Vmsd
Iset pin rising
1.15
1.21
1.30
V
Iset pin falling
0.9
1.0
1.1
V
Vcc-Vbat Lockout Threshold
voltage
Vasd
Vcc from low to high
70
100
140
mV
Vcc from high to low
5
30
50
mV
C/10 Termination Current
Threshold
Iterm
Riset=10k
0.085
0.10
0.115
mA
Riset=2k
0.085
0.10
0.115
mA
PROG pin Voltage
Vprog
Riset=10k, Current mode
0.93
1.0
1.07
V
CHRG pin Output low voltage
Vdone
Idone=5mA
0.35
0.6
V
CHRG pin Output low voltage
Vchrg
Ichrg=5mA
0.35
0.6
V
Recharge Battery
threshold
Voltage
Δ Vrecg
VFLOAT - VRECHRG
250
350
mV



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