Analog Devices ADP2291 Evaluation Board ADP2291RM-EVALZ ADP2291RM-EVALZ 数据表
产品代码
ADP2291RM-EVALZ
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
INDICATOR
1
DRV
2
GND
3
BAT
4
CS
7 TIMER
8 CHG
6 IN
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.