RT9511 RICHTEK [Richtek Technology Corporation], RT9511 Datasheet - Page 7

• Manufacturer Part Number: RT9511
• Description: Fully Integrated Battery Charger with Two Step-Down Converters
• Manufacturer: RICHTEK [Richtek Technology Corporation]

DS9511-01 April 2011
Full Charge Setting Range
AC Charge Current Accuracy
Precharge
BATT Pre-charge Threshold
BATT Pre-charge Threshold
Hysteresis
Pre-Charge Current
Recharge Threshold
BATT Re-charge Falling Threshold
Hysteresis
Charge Termination Detection
Termination Current Ratio
(Note 5)
Logic Input/Output
CHG_S Pull Down Voltage
EN Threshold
Voltage
EN Pin Input Current
ISETU
Threshold
ISETU Pin Input Current
USB Charge Current & Timing
Soft-Start Time
USB Charge Current
USB Charge Current
Timer
TIME Pin Source Current
Pre-charge Fault Time
Charge Fault Time
Battery Temperature Sense
TS Pin Source Current
TS Pin
Threshold
Protection
Thermal Regulation
OVP SET Voltage
Pow er Path Controller
BAT_ON Pull Low
Parameter
High Voltage
Low Voltage
Logic-High
Logic-Low
High Voltage
Low Voltage
I
I
V
I
I
V
V
V
I
V
V
I
T
I
I
I
T
T
I
V
V
CHG_AC
CHG_AC
PCH G
TERM
EN
ISETU
CHG_USB
CHG_USB
TIME
TS
V
V
SS
PCHG_F
PRECH
CHG_S
IH
IL
ISETU_HIGH
ISETU_LOW
FC HG_F
TS_HIGH
TS_LOW
Symbol
PRECH
RECH_L
V
V
I
V
V
V
V
V
V
C
C
V
Internal Default
As SYS Falling, V
SYS-BAT
V
CHG_S
BATT
BATT
ISETA
AC IN
BATT
AC IN
BATT
TIMER
TS
TIMER
TIMER
BATT
= 1.5V
Test Conditions
= 3.5V, V
= 3.8V, R
= 2V
= 3.5V, V
=3.5V, I
= 3.5V, I
= 4.2V
from 0V to 2.5V
= 5mA
= 2V
= 0.1 F, f
= 0.1 F, f
SETU
SETU
USB
USB
ISET
C LK
CLK
BATT
= 5V
= 5V,
= 5V,
= 0V
= 1.5k
= 7Hz
= 7Hz
= 4V,
13790 19700 25610
0.485
1720
2.45
Min
400
2.7
1.5
1.5
50
60
50
60
96
150
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8
2460
Typ
500
100
213
100
450
102
125
2.8
0.5
2.5
6.5
10
95
10
80
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1
RT9511
0.515
To be continued
www.richtek.com
1000
3200
Max
2.55
140
140
500
100
108
2.9
0.4
1.5
0.4
1.5
12
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20
Unit
mA
mA
mV
mV
mV
mA
mA
mV
%
%
V
V
V
V
V
V
V
V
s
s
C
A
A
A
A
s
7