RT9527 RICHTEK [Richtek Technology Corporation], RT9527 Datasheet - Page 5

• Manufacturer Part Number: RT9527
• Description: Single Cell Li-Ion Battery Charger with Adjustable Charging Current for Portable Applications
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Copyright
DS9527-00 May 2012
Pre-Charge Current Factor
Pre-Charge
BAT Pre-Charge Threshold
BAT Pre-Charge Threshold
Hysteresis
Charge Termination
Termination Current Ratio
Protection
Thermal Regulation
Over Voltage Protection
Over Voltage Protect Hysteresis
ISET Pin Short Protection
NTC
Cold Temperature Fault
Threshold Voltage
Cold Temperature Fault
Threshold Hysteresis
Hot Temperature Fault Threshold
Voltage
Hot Temperature Fault Threshold
Hysteresis
Timer
Pre-Charge Fault Time
Fast-Charge Fault Time
Other
PGOOD Pull Down Voltage
CHG Pull Down Voltage
PGOOD Deglitch Time
Input Over Voltage Blanking Time t
Input Over Voltage Recovery
Time
Pre-Charge to Fast-Charge
Deglitch Time
Fast-charge to Pre-Charge
Deglitch Time
Termination Deglitch Time
Recharge Deglitch Time
Sleep Deglitch Time
Pack Temperature Fault
Detection Deglitch Time
©
2012 Richtek Technology Corporation. All rights reserved.
Parameter
K
V
ΔV
I
T
V
ΔV
R
V
ΔV
V
ΔV
t
t
V
V
t
t
t
t
t
t
t
t
Symbol
TERMI
PCHG
FCHG
PGOOD
OVP
OVP_R
PF
FP
TERMI
RECHG
NO-IN
TS
REG
CHG_P
PRECH
OVP
SHORT
COLD
HOT
PGOOD
CHG
PRECH
OVP
COLD
HOT
I
V
V
CHG = L to H
Rising Threshold
Falling Threshold
C
C
I
I
Time measured from the edge
V
CHG_P
PGOOD
CHG
BAT
BAT
TIMER
TIMER
IN
= 0V to 5V in 1μs to PGOOD = L
= 5mA
Falling
> V
= K
= 1μF (1 / 8 x t
= 1μF
= 5mA
PREC
Test Conditions
CHG_P
, I
CHG
/ R
is a registered trademark of Richtek Technology Corporation.
< I
ISET
FCHG
TERMI
)
,
11520 14400 17280
1440
Min
375
2.7
6.2
30
60
29
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5
1800
Typ
200
125
500
200
200
100
2.8
6.5
0.2
60
10
61
30
50
25
25
25
25
25
2
2
2
2
RT9527
www.richtek.com
2160
Max
625
2.9
6.8
90
15
62
31
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%V
%V
%V
%V
Unit
mV
mV
mV
AΩ
ms
ms
ms
ms
ms
ms
ms
ms
°C
μs
%
Ω
V
V
V
s
s
IN
IN
IN
IN
5