ADP2291ARMZ-R7 Analog Devices Inc, ADP2291ARMZ-R7 Datasheet - Page 2

• Manufacturer Part Number: ADP2291ARMZ-R7
• Description: IC CHARGER LI-ION 4.2V 8MSOP
• Manufacturer: Analog Devices Inc

Specifications of ADP2291ARMZ-R7

• Battery Type: Lithium-Ion (Li-Ion)
• Function: Charge Management
• Voltage - Supply: 4.5 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Input Voltage: 12V
• Battery Charge Voltage: 4.2V
• Charge Current Max: 1.5A
• Battery Ic Case Style: MSOP
• No. Of Pins: 8
• No. Of Series Cells: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ADP2291-EVAL - BOARD EVAL FOR ADP2291LI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: ADP2291ARMZ-R7; ADP2291ARMZ-R7TR

ADP2291
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Typical Operating Circuit................................................................ 1
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 10
REVISION HISTORY
11/05—Rev. 0 to Rev. A
Changes to Equation 7 ................................................................... 13
Changes to Figure 26...................................................................... 15
Changes to Table 7.......................................................................... 16
Changes to Ordering Guide .......................................................... 17
Updated Outline Dimensions ....................................................... 17
10/04—Initial Version: Revision 0
ESD Caution.................................................................................. 5
Precharge Mode.......................................................................... 10
End-of-Charge Mode................................................................. 10
Shutdown Mode.......................................................................... 10
Charge Restart............................................................................. 10
Programmable Timer................................................................. 10
Charge Status Indicator ............................................................. 10
Automatic Reverse Isolation ..................................................... 10
Rev. A | Page 2 of 20
Application Information................................................................ 12
Outline Dimensions ....................................................................... 17
Overshoot Protection................................................................. 10
Power Supply Checks................................................................. 10
Thermal Shutdown .................................................................... 11
Setting the Maximum Charge Current.................................... 12
Setting the Maximum Charge Time ........................................ 12
External Capacitors.................................................................... 12
Reverse Input Protection........................................................... 12
External Pass Transistor ............................................................ 13
Typical Application Circuit....................................................... 14
Charge Termination................................................................... 14
Selectable Charge Current......................................................... 14
Thermal Protection.................................................................... 14
Printed Circuit Board Layout Considerations ....................... 16
LFSCP Layout Considerations.................................................. 16
Ordering Guide .......................................................................... 17