MP2661 datasheet(9/35 Pages) MPS

9 / 35 page

MP2661 – 0.5A, 1-CELL CHARGER W/ I2C CONTROL AND POWER PATH

MP2661 Rev. 1.03

www.MonolithicPower.com

4/9/2018

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS (continued)

VIN = 5V, TA = 25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

Thermal Protection

Thermal shutdown rising

threshold

(5)

150

°C

Thermal shutdown

hysteresis

(5)

°C

NTC output current

INTC

CE = L, NTC = 3V

-100

100

NTC cold temp rising

threshold

VCOLD

As a percentage of VDD

NTC cold temp rising

threshold hysteresis

NTC hot temp falling threshold

VHOT

As a percentage of VDD

NTC hot temp falling threshold

hysteresis

NTC hot temp falling threshold

for PCB OTP

VHOT_PCB As a percentage of VDD

NTC hot temp falling threshold

hysteresis for PCB OTP

Logic I/O Pin Characteristics

Low logic voltage threshold

0.4

High logic voltage threshold

1.3

2C Interface(SDA, SCL)

Input high threshold level

VPULL_UP = 1.8V,

SDA and SCL

1.3

Input low threshold level

VPULL_UP = 1.8V,

SDA and SCL

0.4

Output low threshold level

ISINK = 5mA

0.4

2C clock frequency

FSCL

400

kHz

Digital Clock and Watchdog Timer

Digital clock2

FDIG2

kHz

Watchdog timer

tWDT

Programmable (Reg05h

[5:4] = 11)

160

NOTE:

(5) Guaranteed by design.

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