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ADP2291ARMZ-R7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
ADP2291
Rev. A | Page 6 of 20
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
DRV
1
GND
2
BAT
3
CS
4
CHG
8
TIMER
7
IN
6
ADJ
5
ADP2291
TOP VIEW
(Not to Scale)
04873-002
Figure 2. 8-Lead MSOP Pin Configuration
PIN 1
INDICATOR
1DRV
2GND
3BAT
4CS
7 TIMER
8 CHG
6IN
5 ADJ
TOP VIEW
(Not to Scale)
ADP2291
04873-003
Figure 3. 8-Lead LFCSP Pin Configuration
Table 3. Pin Function Descriptions
Pin No. Mnemonic Description
1 DRV Base Driver Output. Controls the base of an external PNP pass transistor.
2 GND Ground.
3 BAT Battery Voltage Sense Input.
4 CS Current Sense Resistor Negative Input.
5 ADJ Charging Current Adjust and Charger Shutdown Input.
6 IN Power Input and Current Sense Resistor Positive Input.
7 TIMER Timer Programming Input/Disable.
8
CHG
LED Charge Status Indicator. This is an open-collector output.
ADP2291
Rev. A | Page 7 of 20
12
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
(V)
V
BAT
(V)
4.21
4.205
4.20
4.195
4.19
46 108
04873-004
Figure 4. Battery Voltage vs. Input Voltage
TEMPERATURE (°C)
V
BAT
(V)
4.21
4.205
4.20
4.195
4.19
–50 –25 250 1251007550
04873-005
Figure 5. Battery Voltage vs. Temperature
I
CHG
(mA)
V
BAT
(V)
4.22
4.21
4.20
4.19
4.18
0 200 800600400
04873-006
Figure 6. Battery Voltage vs. Charge Current
RS = 200 mΩ, V
ADJ
= 3 V
I
BAT
(V)
I
CHG
(mA)
800.0
600.0
700.0
500.0
400.0
300.0
200.0
100.0
0.0
2.50 3.00 4.504.003.50
04873-007
Figure 7. Charge Current vs. Battery Voltage
RS = 200 mΩ, V
ADJ
= 3 V
TEMPERATURE (°C)
I
REVERSE
(nA)
250
200
150
100
50
0
–50 –25 0 12575 1005025
04873-008
Figure 8. Battery Reverse Current vs. Temperature
V
IN
= float, V
BAT
= 4.2 V
TEMPERATURE (°C)
V
RESTART
(V)
4.10
4.09
4.08
4.07
4.06
4.05
–40 –20 0 10060 804020
04873-009
Figure 9. Restart Threshold
ADP2291
Rev. A | Page 8 of 20
12
V
IN
(V)
V
RS
(mV)
16.0
15.8
15.6
15.4
15.2
15.0
46 108
04873-010
Figure 10. Precharge V
RS
vs. Input Voltage
TEMPERATURE (°C)
V
RS
(mV)
15.5
15.4
15.3
15.2
15.1
–50 –25 0 25 50 75 100 125
04873-011
Figure 11. Precharge V
RS
vs. Temperature
R
ADJ
(k
Ω
)
V
RS
(mV)
16
14
12
10
8
100 1k 10k
04873-012
Figure 12. Precharge V
RS
vs. R
ADJ
V
IN
(V)
V
RS
(mV)
153
152
151
150
149
148
4681012
04873-013
Figure 13. Fast Charge V
RS
vs. Input Voltage
TEMPERATURE (°C)
V
RS
(mV)
152
151
150
149
148
–50 –25 0 25 50 75 100 125
04873-014
Figure 14. Fast Charge V
RS
vs. Temperature
R
ADJ
(k
Ω
)
V
RS
(mV)
160
140
120
100
80
60
40
100 1k 10k
04873-015
Figure 15. Fast Charge V
RS
vs. R
ADJ
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

ADP2291ARMZ-R7

Mfr. #:
Buy ADP2291ARMZ-R7
Manufacturer:
Analog Devices / Linear Technology
Description:
Battery Management Compact 1.5A Linear Charger
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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