71M6543F Datasheet, PDF (136/157 Pages) Maxim Integrated Products – Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation

71M6543F/H and 71M6543G/GH Data Sheet
6.4.3 Battery Monitor
Table 93: Battery Monitor Performance Specifications (TEMP_BAT = 1)
Parameter
Condition
Min
Typ
Max
Unit
BV: Battery Voltage
(definition)
MSN mode, TEMP_PWR = 1
𝐵𝑉 = 3.3𝑉 + (𝐵𝑆𝐸𝑁𝑆𝐸 − 142) ∙ 0.0246𝑉 + 𝑆𝑇𝐸𝑀𝑃 ∙ 297𝜇𝑉
BRN mode,
TEMP_PWR=TEMP_BSEL
𝐵𝑉 = 3.291𝑉 + (𝐵𝑆𝐸𝑁𝑆𝐸 − 142) ∙ 0.0255𝑉 + 𝑆𝑇𝐸𝑀𝑃 ∙ 328𝜇𝑉
V
Measurement Error
100 ⋅ _ ^BV −1_
 ^VBAT 
VBAT =
2.0 V
2.5 V
3.0 V
4.0 V
-7.5
-5
-3
-3
Input impedance in
V3P3 = 3.3 V,
continuous measurement,
MSN mode.
TEMP_BSEL = 0,
TEMP_PER = 111,
1
V(VBAT_RTC)/I(VBAT_RTC) ^{VBAT_RTC = 3.6 V,}
Load applied with BCURR
V3P3 = 3.3 V
50
IBAT(BCURR=1) - IBAT(BCURR=0)
7.5
%
5
%
3
%
5
%
MΩ
100
140
µA
136
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