MAXQ3183 Maxim, MAXQ3183 Datasheet - Page 101
![no-image](/images/no-image-200.jpg)
MAXQ3183
Manufacturer Part Number
MAXQ3183
Description
The MAXQ3183 is a dedicated electricity measurement front-end that collects and calculates polyphase voltage, current, power, energy, and many other metering and power-quality parameters of a polyphase load
Manufacturer
Maxim
Datasheet
1.MAXQ3183.pdf
(102 pages)
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CMOS design guidelines for any semiconductor require
that no pin be taken above DVDD or below DGND.
Violation of this guideline can result in a hard failure
(damage to the silicon inside the device) or a soft fail-
ure (unintentional modification of memory contents).
Voltage spikes above or below the device’s absolute
maximum ratings can potentially cause a devastating
IC latchup.
Microcontrollers commonly experience negative volt-
age spikes through either their power pins or general-
purpose I/O pins. Negative voltage spikes on power
pins are especially problematic as they directly couple
to the internal power buses. Devices such as keypads
can conduct electrostatic discharges directly into the
microcontroller and seriously damage the device.
System designers must protect components against
these transients that can corrupt system memory.
To reduce the possibility of coupling noise into the
microcontroller, the system should be designed with a
crystal or oscillator in a metal case that is grounded to
the digital plane. Doing so reduces the susceptibility of
the design to fast transient noise.
Because the MAXQ3183 is designed for use in systems
where high voltages are present, care must be taken to
route all signal paths, both analog and digital, as far
away as possible from the high-voltage components.
It is possible to construct more elaborate metering
designs using multiple MAXQ3183 devices. This can be
accomplished by using a single SPI bus to connect all
the MAXQ3183 devices together but using separate
slave select lines to individually select each MAXQ3183.
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Note that a "+", "#", or "-" in the
package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to
the package regardless of RoHS status.
Specific Design Considerations for
PACKAGE TYPE
28 TSSOP
Low-Power, Multifunction, Polyphase AFE
_____________________________________________________________________________________
MAXQ3183-Based Systems
with Harmonics and Tamper Detect
PACKAGE CODE
U28+3
Designers must ensure they have the latest MAXQ3183
errata documents. Errata sheets contain deviations
from published specifications. A MAXQ3183 errata
sheet for any specific device revision is available at
www.maxim-ic.com/errata.
For technical support, go to
ic.com/micro.
XTAL2
XTAL1
AGND
SCLK
SSEL
INP
I0N
I1N
I2N
IRQ
I0P
I1P
I2P
VN
TOP VIEW
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Additional Documentation
Package Information
MAXQ3183
TSSOP
Technical Support
Pin Configuration
DOCUMENT NO.
https://support.maxim-
21-0066
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V2P
V1P
V0P
AVDD
VREF
VCOMM
DVDD
RESET
CFQ
CFP
DGND
DVDD
MISO
MOSI
101
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