STEVAL-IPE008V1 STMicroelectronics, STEVAL-IPE008V1 Datasheet - Page 23

• Manufacturer Part Number: STEVAL-IPE008V1
• Description: BOARD EVAL STPM01/STR715FR0
• Manufacturer: STMicroelectronics
• Type: Other Power Managementr

Specifications of STEVAL-IPE008V1

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: Yes, MCU, ARM7
• Utilized Ic / Part: STPM01, STR715FR0
• Primary Attributes: 3-Ph Energy Meter (or Single Phase)
• Secondary Attributes: Measures Active, Reactive, Apparent Power
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: STPM01, STR715FR0
• Other names: 497-6412; STEVAL-IPE008V1

STPM01
Figure 17. Bandgap temperature variation
8.8
Table 11.
capacitor should be connected between V
these capacitors must be located very close to the device.
The STPM01 contains a power on reset (POR) detection circuit. If the V
than 2.5 V then the STPM01 goes into an inactive state, all the functions are blocked
asserting a reset condition. This is useful to ensure correct device operation at power-up
and during power-down. The power supply monitor has built-in hysteresis and filtering,
which give a high degree of immunity to false triggering due to noisy supplies.
A bandgap voltage reference (VBG) of 1.23 V ±1 % is used as reference voltage level
source for the two linear regulators and for the A/D converters. Also, this module produces
several bias currents and voltages for all other analog modules and for the OTP module. The
bandgap voltage can be compensated regardless to the temperature variations with the
BGTC bits.
Load monitoring
The STPM01 includes a no load condition detection circuit with adjustable threshold. This
circuit monitors the voltage and the current channels and, when the measured voltage is
below the set threshold, the internal signal BIL becomes high. The information about this
signal is also available in the status bit BIL.
The no load condition occurs when the product between V
below a given value. This value can be set with the LTCH configuration bits.
Four different no-load threshold values can be chosen according to the two configuration
bits LTCH (see
No load detection thresholds
LTCH
0
1
2
3
Table
11).
Doc ID 10853 Rev 7
CC
and V
SS
, V
DDA
RMS
and V
K
1600
3200
6400
and I
800
LTCH
SS
RMS
, V
Theory of operation
CC
DDD
register values is
supply is less
and V
SS
. All
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