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RT5021 датащи(PDF) 15 Page - Richtek Technology Corporation

номер детали RT5021
подробное описание детали  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
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производитель  RICHTEK [Richtek Technology Corporation]
домашняя страница  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5021 датащи(HTML) 15 Page - Richtek Technology Corporation

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RT5021
15
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Charge Termination Detection
Termination Current Ratio to
Fast Charge (Except USB 100
Mode)
ITERM
A7.ISETL = 0, A7.ISETU = 1
Or A7.ISETL = 1, A7.ISETU = X
5
10
15
%
Termination Current Ratio to
Fast Charge (USB100 Mode)
ITERM2
A7.ISETL = 0, A7.ISETU = 0
--
3.3
--
%
Login Input/Output
CHG Pull Down Voltage
VCHG
ICHG = 5mA
--
200
--
mV
CHG2 Pull Down Voltage
VCHG2
ICHG2 = 5mA
--
200
--
mV
INT Pull Down Voltage
VINT
IINT = 5mA
--
200
--
mV
Protection
Thermal Regulation Point
TREG
--
125
--
°C
Thermal Shutdown
Temperature
TSD
--
155
--
°C
Thermal Shutdown Hysteresis
ΔT
SD
--
20
--
°C
Over Voltage Protection
VOVP
VIN Rising
6.25
6.5
6.75
V
Over Voltage Protection
Hysteresis
ΔVOVP
VIN = 7V to 5V, VOVP − ΔVOVP
--
100
--
mV
Output Short Circuit Detection
Threshold
VSHORT
VBAT
− VSYS
--
300
--
mV
Battery Installation Detection
Threshold at TS
EN = H (PMU enabled), report at
A10. NoBAT bit
--
90
--
% of
VP
Time
Input Over Voltage Blanking
Time
tOVP
--
50
--
μs
Pre-Charge to Fast-Charge
Deglitch Time
tPF
--
25
--
ms
Fast-Charge to Pre-Charge
Deglitch Time
tFP
--
25
--
ms
Termination Deglitch Time
tTERMI
--
25
--
ms
Recharge Deglitch Time
tRECHG
--
100
--
ms
Input Power Loss to SYS LDO
Turn-Off Delay Time
tNO_IN
--
25
--
ms
Pack Temperature Fault
Detection Deglitch Time
tTS
--
25
--
ms
Short Circuit Deglitch Time
tSHORT
--
250
--
μs
Short Circuit Recovery Time
tSHORT-R
--
64
--
ms
Other
VP Regulation Voltage
VVP
VSYS = 4.2V
3.234
3.3
3.366
V
VP Load Regulation
VVP
VP source out 2mA
--
--
−0.1
V



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