Microchip PAC1951 Bruksanvisning
Microchip
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PAC1951
Les nedenfor 📖 manual på norsk for Microchip PAC1951 (96 sider) i kategorien Ikke kategorisert. Denne guiden var nyttig for 3 personer og ble vurdert med 4.1 stjerner i gjennomsnitt av 2 brukere
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2021-2022
Microchip Technology Inc. and its subsidiaries
DS20006539D-page 1
PAC195X
Features
• High-Side/Low-Side Current Monitor with One,
Two, Three or Four Channels:
- 100 mV Full-Scale Range (FSR) for current
sense voltage
- Programmable FSR: -50 mv to +50 mv
- 16-bit resolution for current measurements
- External sense resistor sets the full-scale
current range
- Very low input current simplifies routing
• Voltage Monitor with Wide V
BUS
Range
- 0V to 32V FSR
- 16V programmable V
BUS
option
- 16-bit resolution for voltage measurements
•V
SOURCE
Can Be Applied before V
DD
Is Applied
• Real-Time Auto-Calibration of Offset Error for
Voltage and Current
• 1% Power Measurement Accuracy over a Wide
Dynamic Range
• On-Chip Accumulation of 30-bit Power Results for
Energy Measurement
- User programmable sampling rates of 8, 64,
256 and 1024 SPS
- 5120 SPS for a single channel in Burst mode
• 2.7V to 5.5V Supply Operation
- 1.62-5.5V capable I
2
C/SMBus and digital I/O
- SMBus 3.1 and I
2
C Fast Mode Plus, 1 Mbps
- High-Speed mode (3.4 Mbps)
• SMBus Address – 16 Options, Set with Resistor
• ALERT Features that Can Be Enabled:
- ALERT on conversion complete
- ALERT on Over/Undervoltage and Current or
Overpower conditions
• Coulomb Counting: When Selected, the
Accumulator Accumulates V
SENSE
Values.
• 8X Averaging Mode for Single-Shot
Measurements to Reduce Noise and Offset
• Two Independent ALERT
/GPIO pins
• AEC-Q100 Qualified (VQFN)
• Available Packages:
- 3 x 3 mm 16-Lead VQFN with wettable flanks
- 2.225 x 2.17 mm 16-Lead WLCSP
Applications
• Embedded Computing
•Networking
•FPGA Systems
• Low-Voltage/High-Power – AI, GPU
• Industrial
•Linux
®
Applications
• Notebook and Tablet Computing
• Cloud, Linux and Server Computing
• Optical Networking Modules
• Automotive
Computing Platform Support
• Windows
®
10 Driver
• Arduino Library
• Python™ Script
• MCC Library
Description
The PAC195X products are one, two, three and
four-channel energy monitors, with bus voltage moni-
tors and current sense amplifiers that feed
high-resolution ADCs. There are two versions of the
PAC195X: the PAC195X-1 devices are for high-side
current sensing and the PAC195X-2 devices are for
low-side current sensing or floating VBUS applications.
Digital circuitry performs power calculations and
energy accumulation. This enables energy monitoring
with integration periods up to one year or longer. Bus
voltage, sense resistor voltage and accumulated pro-
portional power are stored in registers for retrieval by
the system host or embedded controller. The PAC195X
devices have a set of digital comparators that allow the
user to detect over/undervoltage, over/undercurrent
and overpower against user programmed limits for
each channel and generate an ALERT when the
threshold is exceeded.
The sampling rate and energy integration period can be
controlled over SMBus or I
2
C. Active channel selection,
single-shot measurements and other controls are also
configurable by the SMBus or I
2
C. The PAC195X
device family uses real-time calibration to minimize the
offset error. No input filters are required for this device.
Single/Multi-Channel Power Monitor
with Accumulator, 32V Full-Scale Range
Produkspesifikasjoner
| Merke: | Microchip |
| Kategori: | Ikke kategorisert |
| Modell: | PAC1951 |
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