71M6542F-IGT/F Maxim Integrated Products, 71M6542F-IGT/F Datasheet - Page 141

• Manufacturer Part Number: 71M6542F-IGT/F
• Description: PMIC Solutions Precision Energy Meter IC
• Manufacturer: Maxim Integrated Products
• Type: Metering SoCr

Specifications of 71M6542F-IGT/F

• Core: 8051
• Core Architecture: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 5 KB
• Device Million Instructions Per Second: 5 MIPS
• Interface Type: I2C, ICE, SPI, UART
• Maximum Clock Frequency: 5 MHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Programmable I/os: 51
• Number Of Timers: 2
• On-chip Adc: 22 bit
• Operating Supply Voltage: 3 V to 3.6 V
• Package / Case: LQFP-100
• Processor Series: 8051
• Program Memory Size: 64 KB
• Program Memory Type: Flash
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

6.4.3 Battery Monitor
6.4.4 Temperature Monitor
v1.1
Parameter
BV: Battery Voltage
(definition)
Measurement Error
Input impedance in
continuous measurement,
MSN mode.
V(VBAT_RTC)/I(VBAT_RTC)
Load applied with BCURR
IBAT(BCURR=1) - IBAT(BCURR=0)
Parameter
Temperature Measurement
Equation
Temperature Error
VBAT_RTC charge per
measurement
Duration of temperature
measurement after setting
TEMP_START
(see note 1)
Notes:
1.
100
Guaranteed by design; not production tested.
⋅



VBAT
BV
Table 98: Battery Monitor Performance Specifications (TEMP_BAT= 1)
−
1



© 2008–2011 Teridian Semiconductor Corporation
Condition
MSN mode, TEMP_PWR = 1
BRN mode,
TEMP_PWR=TEMP_BSEL
VBAT =
V3P3 = 3.3 V,
TEMP_BSEL = 0,
TEMP_PER = 111,
VBAT_RTC = 3.6 V,
V3P3 = 3.3 V
4.0 V
2.0 V
2.5 V
3.0 V
Condition
In MSN,
In BRN, TEMP_PWR
T
TEMP_BSEL = 0,
TEMP_PWR=0,
SLP Mode,
VBAT_RTC = 3.6 V
TEMP_PWR
TEMP_PER
SLP Mode,
VBAT_RTC = 3.6 V
Force V3P3D = 1.0 V
Table 99. Temperature Monitor
A
=+22°C
�������� = 0.325 ∙ ���������� + 0.00218 ∙ ������������
TEMP_PWR
= 7,
= 0,
=
�������� = 0.325 ∙ ���������� + 22
=1:
TEMP_BSEL:
���� = 3.291�� + ( ������������ − 142 ) ∙ 0.0255�� + ����������
���� = 3.3�� + ( ������������ − 142 ) ∙ 0.0246�� + ����������
Min
-7.5
50
-5
-3
-3
1
Min
-2
2
∙ 328����
− 0.609 ∙ ������������ + 64.4
∙ 297����
Typ
100
Typ
16
15
Max
140
7.5
5
3
5
Max
+2
60
Unit
MΩ
Unit
µA
µC
ms
%
°C
°C
V
141