71M6541D Datasheet, PDF (141/166 Pages) Maxim Integrated Products – 0.1% Accuracy Over 2000:1 Current Range Energy Meter ICs

71M6541D/F/G and 71M6542F/G Data Sheet
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
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
VBAT =
Measurement Error
2.0 V
-7.5
100 ⋅  ^BV −1
 ^VBAT 
2.5 V
3.0 V
4.0 V
-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
IBAT(BCURR=1) - IBAT(BCURR=0)
50
7.5
5
%
3
5
MΩ
100
140
µA
6.4.4 Temperature Monitor
Table 99. Temperature Monitor
Parameter
Condition
In MSN, TEMP_PWR=1:
Min
Typ
Max
Temperature Measurement
Equation
Temperature Error
𝑇𝑒𝑚𝑝 = 0.325 ∙ 𝑆𝑇𝐸𝑀𝑃 + 22
In BRN, TEMP_PWR = TEMP_BSEL:
𝑇𝑒𝑚𝑝 = 0.325 ∙ 𝑆𝑇𝐸𝑀𝑃 + 0.00218 ∙ 𝐵𝑆𝐸𝑁𝑆𝐸² − 0.609 ∙ 𝐵𝑆𝐸𝑁𝑆𝐸 + 64.4
TA=+22°C
-2
+2
VBAT_RTC charge per
measurement
TEMP_BSEL = 0,
TEMP_PWR=0,
SLP Mode,
VBAT_RTC = 3.6 V
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:
1. Guaranteed by design; not production tested.
16
15
60
Unit
°C
°C
µC
ms