PS501 datasheet(35/42 Pages) MICROCHIP

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 2004 Microchip Technology Inc.

DS21818C-page 35

PS501

10.0

ELECTRICAL CHARACTERISTICS

TABLE 10-1:

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Min

Max

Units

VCX

Voltage at any VC(x) pin

-0.3

18.5

VPIN

Voltage directly at any pin (except VCELLx)

-0.5

7.0

TBIAS

Temperature under Bias

-20

°C

TSTORAGE

Storage Temperature (package dependent)

-35

125

°C

Note:

These are stress ratings only. Stress greater than the listed ratings may cause permanent damage to the device.

Exposure to absolute maximum ratings for an extended period may affect device reliability. Functional operation

is implied only at the listed operating conditions below.

TABLE 10-2:

DC CHARACTERISTICS (TA = -20°C TO +85°C; VREG (INTERNAL) = +3.3V ± 10%)

Symbol

Characteristic

Min

Typ

Max

Units

Condition

VSUPPLY

Supply Voltage – Applied to VC(1)

5.6

—

18.0

IDD

Instantaneous Supply Current

—

220

—

µA

(Note 1)

IDDRUN

Average Supply Current – Run Mode

—

175

—

µA

A/D active (Note 1)

IDDINS

Inactive Supply Current – Sample Mode

—

150

—

µA

A/D inactive (Note 1, 2)

IDDSSLP

Inactive Supply Current – Low-Power Mode

—

µA

A/D inactive (Note 1, 2)

IDDSLP

Average Supply Current – Ultra Low-Power Mode

—

0.8

µA

Sleep mode (Note 1, 4)

IWAKE

Wake-up Current Threshold from Sleep Mode –

(voltage across sense resistor)

2.50

3.75

5.00

VIL

Input Low Voltage – GPIO(7-0)

—

0.2 * VDDD

VIH

Input High Voltage – GPIO(7-0)

0.8 * VDDD

——

IIL-IOPU

GPIO Input Low Current – Pull-up Mode

-37.5

-110

-140

µA

IIH-IOPD

GPIO Input High Current – Pull-down Mode

-37.5

-110

-140

µA

Leakage Current – GPIO pins Programmed

as Outputs

—1

µA

VOL

Output Low Voltage for GPIO(7-0)

—

0.6

IOL = 0.5 mA

VOH-IO

Output High Voltage for GPIO(7-0)

(non-LED mode)

2.0

—

IOH = 100

µA

VOH-LED

Output High Voltage for GPIO(7-0) (LED mode)

2.0

—

IOH = 10 mA (Note 3)

VSR

Sense Resistor Input Voltage Range

-152

—

152

VNTC

Thermistor Input Voltage Range

—

152

VREFT

NTC Reference Voltage Output at VREFT pin

—

150

—

VIL-SMB

Input Low Voltage for SMBus pins

-0.5

—

0.8

VIH-SMB

Input High Voltage for SMBus pins

2.0

—

5.5

VOL-SMB

Output Low Voltage for SMBus pins

—

0.4

IPULLUP = 350

µA

VOH-SMB

Output High Voltage for SMBus pins

2.1

—

5.5

IPULLUP-SMB Current through Pull-up Resistor or Current

Source for SMBus pins

100

—

350

µA

ILEAK-SMB

Input Leakage Current – SMBus pins

—

± 5

µA

Note 1:

Does not include current consumption due to external loading on pins. Valid for a maximum voltage of 16.8 volts

for the referenced current specification.

Sample mode current is specified during an A/D inactive cycle. Sample mode average current can be calculated using

the formula: Average Sample Mode Supply Current = (IDDRUN + (n – 1) * IDDINS)/n; where ‘n’ is the programmed

sample rate.

During LED illumination, currents may peak at 10 mA but average individual LED current is typically 5 mA (using

low-current, high-brightness devices).

Measured at 25°C.

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