PAC1721 datasheet(3/92 Pages) MICROCHIP

3 / 92 page

 2026 Microchip Technology Inc. and its subsidiaries

DS-20007088A-page 3

PAC1721

1.0

ELECTRICAL CHARACTERISTICS

1.1

Absolute Maximum Ratings (†)

Supply Voltage (VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V

Voltage on VBUS+ pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +75V

Voltage on VSENSE+ and VSENSE– pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +75V

Voltage on PWRDN pin to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD

Voltage on any other pin to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V

Voltage between VSENSE pins (|VSENSE+ – VSENSE–|). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1V

Input Current to any pin except VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±100 mA

Output Short Circuit Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous

Operating Temperature (TA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C

Storage Temperature (TSTG). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C

ESD Rating – All Pins – Human Body Model (VHBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 kV

ESD Rating – All Pins – Charge Device Model (VCDM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV

Figure 1-1 shows the electrostatic discharge (ESD) protection circuitry found on PAC1721. The voltage on the sense

pins (VSENSE+ and VSENSE–) can be at 9V (75V absolute maximum) if VDD = 0V.

FIGURE 1-1:

PAC1721 ESD Protection Circuitry.

†Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the

device. This is a stress rating only and the functional operation of the device at these or any other conditions

above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating

conditions for extended periods may affect device reliability.

Clamp

Circuit

~75V Breakdown

VSENSE–

VSENSE+

Floating ESD Rail

SDA

SCL

PWRDN

(1)

VDD

GND

VBUS+

(1)

NOTE:

1. Circuitry colored blue available only for the 10-Lead VDFN PAC1721.

A0/ ALERT

A1/ ALERT

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