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STPM098C Datasheet(PDF) 47 Page - STMicroelectronics

Part # STPM098C
Description  Automotive dual digital 8-phase controller with PMBus™
PDF  110 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPM098C Datasheet(HTML) 47 Page - STMicroelectronics

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 47 / 110 page
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Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Notes
T_avm_detect_dly
AVM detection delay
CLK_SSM_EN = 0
-
65
100
μs
Application
information
3.11
Input metrics telemetry (IMT)
STPM098C implements a full set of telemetry measurements on the converter`s input voltage, current and power
metrics through pins POWERIN_P and POWERIN_N.
Figure 38. Input telemetry simplified block diagram
+
-
VCS
POWERIN_P
CSA
POWERIN_N
ADC
GND
X
RSHUNT =1mΩ±1%
System
Buck-Boost
DrMOS
VIN
DrMOS
VIN
LOOP1
LOOP2
PIN
MONITOR
PMBus
PIN_READ
VIN
MONITOR
PMBus
VIN_READ
IIN
MONITOR
PMBus
IIN_READ
ADC
3.11.1
Input voltage measurement
Input voltage is directly measured at POWERIN_P pin by means of a dedicated 10-bit ADC converter. The
digitized voltage information is made available on PMBus™ register READ_VIN<15:0>.
Table 38. Input voltage ADC electrical characteristics
Symbol
Parameter
Test condition
Min Typ Max Unit
Notes
ADC input
VIN_adc_range
VIN ADC voltage input
range
0
-
20
V
-
VIN_adc_ic
VIN ADC input current
POWERIN_P = 20 V
VCC = 5 V
300
-
500
μA
-
VIN_adc_ilkg
VIN ADC input leakage
POWERIN_P = 20 V
VCC = 0 V
-
-
200
nA
-
STPM098C
Functional description
DS14440 - Rev 1
page 47/110



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