MAX1667 Просмотр технического описания (PDF) - Maxim Integrated

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MAX1667

Chemistry-Independent, Level 2 Smart Battery Charger

Maxim Integrated 

Chemistry-Independent,

Level 2 Smart Battery Charger

Pin Description

PIN

NAME

FUNCTION

1

IOUT

Linear Current-Source Output

2

DCIN

Input Voltage for Powering Charger

3

VL

IC Power Supply. 5.4V linear-regulator output from DCIN.

4

CCV

Voltage-Regulation-Loop Compensation Point

5

CCI

Current-Regulation-Loop Compensation Point

6

SEL

Current-Range Selector. Connecting SEL to VL sets a 4A full-scale current. Leaving SEL

open sets a 3A full-scale current. Connecting SEL to AGND sets a 1A full-scale current.

7

CS

Current-Sense Positive Input

8

BATT

Battery Voltage Input and Current-Sense Negative Input

9

REF

+4.096V Reference Voltage Output or External Reference Input

10

AGND

Analog Ground

11

INT

Open-Drain Interrupt Output

12

THM

Thermistor Sense Voltage Input

13

SCL

Serial Clock (need external pull-up resistor)

14

SDA

Serial Data (need external pull-up resistor)

15

DACV

Voltage DAC Output Filtering Point

16

PGND

Power Ground

17

DLO

Low-Side Power MOSFET Driver Output

18

DHI

High-Side Power MOSFET Driver Output

19

LX

Power Connection for the High-Side Power MOSFET Driver

20

BST

Power Connection for the High-Side Power MOSFET Driver

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