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MAX1645EEI Datasheet(PDF) 10 Page - Maxim Integrated Products

Part # MAX1645EEI
Description  Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1645EEI Datasheet(HTML) 10 Page - Maxim Integrated Products

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Advanced Chemistry-Independent, Level 2
Battery Charger with Input Current Limiting
10
______________________________________________________________________________________
Pin Description
Battery Voltage Output
BATT
9
DAC Voltage Output
DAC
10
Logic Circuitry Supply Voltage Input (2.8V to 5.65V)
VDD
11
Thermistor Voltage Input
THM
12
SMB Clock Input
SCL
13
Charging Source Compensation Capacitor Connection. Connect a 0.01µF capacitor from CCS to GND.
CCS
5
Battery Current-Loop Compensation Capacitor Connection. Connect a 0.01µF capacitor from CCI to GND.
CCI
6
Battery Voltage-Loop Compensation Capacitor Connection. Connect a 10k
Ω resistor in series with a 0.01µF
capacitor to GND.
CCV
7
Ground
GND
8
4.096V Reference Voltage Output
REF
4
Source Current Limit Input
CLS
3
PIN
5.4V Linear-Regulator Voltage Output. Bypass with a 1µF capacitor to GND.
LDO
2
DC Supply Voltage Input
DCIN
1
FUNCTION
NAME
Inductor Voltage Sense Input
LX
22
High-Side NMOS Driver Output
DHI
23
High-Side Driver Bootstrap Voltage Input. Bypass with 0.1µF capacitor to LX.
BST
24
Charging Source Current-Sense Negative Input
CSSN
25
Charging Source Current-Sense Positive Input
CSSP
26
Battery Current-Sense Positive Input
CSIP
18
Power Ground
PGND
19
Low-Side NMOS Driver Output
DLO
20
Low-Side NMOS Driver Supply Voltage. Bypass with 0.1µF capacitor to GND.
DLOV
21
Battery Current-Sense Negative Input
CSIN
17
PMOS Load Switch Driver Output
PDL
16
Interrupt Output. Open-drain output. Needs external pull-up.
INT
15
SMB Data Input/Output. Open-drain output. Needs external pull-up.
SDA
14
Charging Source PMOS Switch Driver Output
PDS
27
Charging Source Voltage Input
CVS
28


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