MAX77751 datasheet(9/40 Pages) MAXIM

9 / 40 page

MAX77751

3.15A USB-C Autonomous Charger

for 1-Cell Li+ Batteries

www.maximintegrated.com

Maxim Integrated | 9

(Limits are 100% tested at TA = +25°C. Limits over the operating temperature range and relevant supply voltage range are guaranteed

by design and characterization.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

COMP2 Load Resistor

RUSB

Load Resistor on DP/DN

6.1

MΩ

CC DETECTION

CC Pin Voltage, in DFP

1.5A Mode

VCC_PIN

Measured at CC pins with 126kΩ load.

IDFP1.5_CC enable and VAVL ≥ 2.5V

1.85

CC Pin Clamp Voltage

VCC_CLAMP

60µA ≤ ICC_ ≤ 600µA

1.1

1.32

CC Pin Clamp Voltage

(5.5V)

ICC_ < 2mA

5.25

5.5

CC UFP Pulldown

Resistance

RPD_UFP

-10%

5.1K

+10%

CC DFP 1.5A Current

Source

IDFP1.5_CC

-8%

180

+8%

µA

CC RA RD Threshold

VRA_RD0.5

0.15

0.2

0.25

CC UFP 0.5A RD

Threshold

VUFP_RD0.5

0.61

0.66

0.7

CC UFP 0.5A RD

Hysteresis

VUFP_RD0.5_H

0.015

CC UFP 1.5A RD

Threshold

VUFP_RD1.5

1.16

1.23

1.31

CC UFP 1.5A RD

Hysteresis

VUFP_RD1.5_H

0.15

CC Pin Power Up Time

tClampSwap

Max time allowed from removal of voltage

clamp until 5.1kΩ resistor is attached

CC Detection Debounce

tCCDeb

100

119

200

USB Type-C Debounce

tPDDeb

USB Type-C Quick

Debounce

tQDeb

0.9

1.1

Note 1:

The CHGIN input must be less than VCHGIN_OVLO and greater than both VCHGIN_UVLO and VCHGIN2SYS for the charger

to turn on.

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