PS402-01XX datasheet(9/46 Pages) MICROCHIP

tên linh kiện	PS402-01XX

Giải thích chi tiết về linh kiện	Single Chip Battery Manager - Nickel Chemistries

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 2003 Microchip Technology Inc.

DS21766A-page 9

PS402-01XX

TABLE 3-1:

WakeUp

TABLE 3-2:

WakeUp VOLTAGE

TABLE 3-3:

POWER OPERATIONAL MODE SUMMARY

Bit

Name

Function

WakeIO

Wake-up from I/O activity

WakeBus

Wake-up from SMBus activity

WakeCurr

Wake-up from Current

WakeVolt

Wake-up from Voltage

2:0

WakeLevel

Defines Wake Voltage Level

WakeUp (2:0)

Voltage

Purpose

000

6.4V

2 cells Li-Ion

001

6.66V

6 cells NiMH

010

8.88V

8 cells NiMH

011

9.6V

3 cells Li-Ion

100

9.99V

9 cells NiMH

101

11.1V

10 cells NiMH

110

12.8V

4 cells Li-Ion

111

13.3V

12 cells NiMH

Mode

Entry

Exit

Notes

Run

Measured current

> preset threshold

(set by SampleLimit)

Measured current

< preset threshold

(set by SampleLimit)

Highest power consumption and

accuracy for rapidly changing

current.

Sample

Measured current

< preset threshold

(set by SampleLimit)

Measured current

> preset threshold

(set by SampleLimit)

Saves power for low, steady current

consumption. Not as many

measurements needed.

Low Voltage

SLEEP

VC(1) < SleepVPack

AND in Sample Mode

WakeUp condition met

No measurements made when

battery voltage is very low.

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