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REV. 0
ADP3502
–5–
BATTERY VOLTAGE DIVIDER: MVBAT
Parameter
(T
= –30 C to +85 C, C
VBAT
= 10 F MLCC, C
ADAPTER
= 1 F MLCC, unless
otherwise noted.)
BATTERY CHARGER
(T
= –30 C to +85 C, C
VBAT
= 10 F MLCC, C
ADAPTER
= 1 F MLCC, 4.0 V ADAPTER 12 V, unless
otherwise noted.)
Symbol
Conditions
Min
Typ
Max
Unit
MVBAT OUTPUT VOLTAGE
5-Bit Programmable
VBAT = 4.35 V, MVEN = 1
T
A
= 25
°
C
Code: 10000
Code: 01111
VBAT = 4.35 V, MVEN = 1
V
MVBAT
2.459
2.648
2.508 2.538
2.697 2.732
6
V
V
mV/LSB
MVBAT OUTPUT VOLTAGE
STEP
OUTPUT DRIVE CURRENT
CAPABILITY
MVBAT LOAD REGULATION
OPERATING BATTERY
CURRENT
SHUTDOWN CURRENT
V
STEP
I
OUT
1
2
mA
MVBAT
0 < I
OUT
< 100
μ
A
VBAT = 4.35 V, MVEN = 1
3
78
5
97
mV
μ
A
VBAT = 4.35 V, MVEN = 0
1
μ
A
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
CHARGER CONTROL VOLTAGE
RANGE
2-Bit Programmable
VBAT
T
A
= 25
°
C
SENSE
V
R_SENSE
= 30 mV, CHI = 1
4.8 V
ADAPTER
≤
12 V
Code: 00 (Default)
Code: 01
Code: 10
Code: 11
T
A
= –20
°
C to +55
°
C
3.440
4.175
4.195
4.215
3.500 3.560
4.205 4.235
4.225 4.255
4.245 4.275
V
V
V
V
CHARGER CONTROL VOLTAGE
RANGE
1
2-Bit Programmable
VBAT
SENSE
V
R_SENSE
= 160 mV, CHI = 1
4.8 V
≤
ADAPTER
≤
12 V (Note 1)
Code: 00 (Default)
Code: 01
Code: 10
Code: 11
+25
°
C to +55
°
C or +25
°
C to –20
°
C
V
R_SENSE
= 30 mV, Constant Adapter
Voltage between 4.8 V and 12 V
3.440
4.155
4.175
4.195
3.500 3.560
4.205 4.255
4.225 4.275
4.245 4.295
V
V
V
V
CHARGER VOLTAGE
TEMPERATURE DRIFT
1
–20
+20
mV
CHARGER DETECT ON
THRESHOLD
ADAPTER-VBAT
110
165
225
mV
CHARGER DETECT OFF
THRESHOLD
ADAPTER-VBAT
0
25
60
mV
CHARGER SUPPLY CURRENT
I
ADAPTER
ADAPTER-V
ISNS
ADAPTER = 5 V, VBAT = 4.3 V
2
mA
CURRENT LIMIT THRESHOLD
High Current Limit
(Full Charge Current Enabled)
Low Current Limit
(Full Charge Current Disabled)
ADAPTER = 5 V
VBAT = 3.6 V
170
210
255
mV
VBAT = 3.0 V
40
60
75
mV
PRECHARGE CURRENT SOURCE
VBAT
≤
DDLO
3
5
7
mA
BASE PIN DRIVE CURRENT
20
35
mA
DEEP DISCHARGE LOCK-OUT
(Releasing Voltage)
DDLO
VBAT< DDLO, T
A
= 25
°
C,
(5 mA Precharge), VBAT Ramping Up
2.650 2.80
V
DEEP DISCHARGE LOCK-OUT
HYSTERESIS
2
100
200
mV
μ
A
ISENSE BIAS CURRENT
I
ISNS
V
ISNS
= 5 V
1