71M6541DSLASHFSLASHG datasheet(142/166 Pages) MAXIM

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71M6541D/F/G and 71M6542F/G Data Sheet

142

Rev 5

6.4.3

Battery Monitor

Table 98: Battery Monitor Performance Specifications (TEMP_BAT= 1)

Parameter

Condition

Min

Typ

Max

Unit

BV: Battery Voltage

(definition)

MSN mode, TEMP_PWR = 1

BRN mode,

TEMP_PWR=TEMP_BSEL

��=3.3��+(��−142)∙0.0246��+��∙297��

��=3.291��+(��−142)∙0.0255��+��∙328�� V

Measurement Error













−

⋅

100

VBAT

VBAT =

2.0 V

2.5 V

3.0 V

4.0 V

-7.5

-5

-3

7.5

Input impedance in

continuous measurement,

MSN mode.

V(VBAT_RTC)/I(VBAT_RTC)

V3P3 = 3.3 V,

TEMP_BSEL = 0,

TEMP_PER = 111,

VBAT_RTC = 3.6 V,

Ω

Load applied with BCURR

IBAT(BCURR=1) - IBAT(BCURR=0)

V3P3 = 3.3 V

100

140

µA

6.4.4

Temperature Monitor

Table 99. Temperature Monitor

Parameter

Condition

Min

Typ

Max

Unit

Temperature Measurement

Equation

In MSN,

TEMP_PWR=1:

Temp=0.325∙STEMP+22

In BRN, TEMP_PWR = TEMP_BSEL:

��=0.325∙��+0.00218∙��2−0.609∙��+64.4

°C

Temperature Error

TA=+22°C

-2

°C

VBAT_RTC charge per

measurement

TEMP_BSEL = 0,

TEMP_PWR=0,

SLP Mode,

VBAT_RTC = 3.6 V

µC

Duration of temperature

measurement after setting

TEMP_START

(see note 1)

TEMP_PWR = 0,

TEMP_PER = 7,

SLP Mode,

VBAT_RTC = 3.6 V

Force V3P3D = 1.0 V

Notes:

Guaranteed by design; not production tested.

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