Microchip MCP39F501 Handleiding

Microchip Niet gecategoriseerd MCP39F501

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2013 Microchip Technology Inc. DS20005256A-page 1
MCP39F501
Features:
• Power Monitoring Accuracy capable of 0.1% error
across 4000:1 dynamic range
• Fast Calibration Routines
• Programmable Event Notifications such as over-
current and voltage sag, surge protection
• 512 bytes User-accessible EEPROM through
page read/write commands
• Non-volatile On-chip Memory, no external
memory required
• Built-in calculations on fast 16-bit processing core
- Active, Reactive and Apparent Power
- True RMS Current, RMS Voltage
- Line Frequency, Power Factor
• Two-Wire Serial Protocol using a 2-wire Universal
Asynchronous Receiver/Transmitter (UART) inter-
face supporting multiple devices on a single bus
• Low-Drift Internal Voltage Reference, 10 ppm/°C
typical
• 28-lead 5x5 QFN package
• Extended Temperature Range -40°C to +125°C
Applications:
• Real-time Measurement of Input Power for
AC/DC supplies
• Intelligent Power Distribution Units
Description:
The MCP39F501 is a highly integrated, single-phase
power-monitoring IC designed for real-time
measurement of input power for AC/DC power
supplies, power distribution units and industrial
applications. It includes dual-channel delta sigma
ADCs, a 16-bit calculation engine, EEPROM and a
flexible 2-wire interface. An integrated low-drift voltage
reference with 10 ppm/°C in addition to 94.5 dB of
SINAD performance on each measurement channel
allows for better than 0.1% accurate designs across a
4000:1 dynamic range.
Package Type
Functional Block Diagram
1
25
2
3
4
5
8 9 10 11 12
21
20
19
18
17
28 27 26 24
MODE/DIR
NC
UART_RX
COMMONA
NC
NC
NC
AVDD
UART_TX
RESET
DVDD
DGND
MCLR
EP
29
6
7
OSCI
OSCO
13 14
COMMONB
A0/DIO0
16
15
23 22
REFIN+/OUT
DIO3
I1+
I1-
V1-
V1+
AN_IN/DIO2
AGND
DGND
A1/DIO1
DR
MCP39F501
5x5 QFN*
* Includes Exposed
Thermal Pad (EP); see Table 3-1.
24-bit Delta Sigma
Multi-level
+
-
SINC3
Digital Filter
Modulator ADC
PGA
I1+
I1-
24-bit Delta Sigma
Multi-level
+
-
SINC
3
Digital Filter
Modulator ADC
PGA
V1+
V1-
16-BIT
CORE
Calculation
Engine
(CE)
Configurable
Digital Outputs
UART
Serial
Interface
UART_TX
UART_RX
A0/DIO0
FLASH
10-bit SAR
ADC
AN_IN/DIO2
OSCI
OSCO
Timing
Generation
Internal
Oscillator
Generation
AVDD AGND DVDD DGND
A1/DIO1
MODE/DIR
DIO3
AN_IN/DIO2
Single-Phase, Power-Monitoring IC with Calculation and Event Detection
MCP39F501
DS20005256A-page 2 2013 Microchip Technology Inc.
MCP39F501 Typical Application – Single Phase, Two-Wire Application Schematic
DGND
OSCO
OSCI
DVDD RESET
AVDD
I1+
I1-
V1-
V1+
NC
NC
NC
REFIN/OUT+
AGND
COMMONA,B
NC
LOAD
+3.3V
N L
MCP1754
+3.3V
AGND
DGND
+
-
33 nF
33 nF
33 nF
1 k
1 k
1 k
720 k
1 k
4 MHz
22 pF 22 pF
33 nF
0.01 µF
0.47µ F 470
470 µF
10
1 µF 0.1 µF 0.1 µF
0.1 µF
0.5 m
1 m
TEMPIN/DIO2
2 m
Leave Floating
N.C.
MCP9700A
(OPTIONAL)
+3.3V
to MCU UART
to MCU UART
UART_RX
UART_TX
DR
(OPTIONAL)
Connect on PCB
A0/DIO0
DIO3
A1/DIO1
MODE/DIR
DIO2
Address setting for multiple devices
or
Alarm with Event Functions
MCP39F501
4 m
2013 Microchip Technology Inc. DS20005256A-page 3
MCP39F501
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
DVDD .....................................................................-0.3 to 4.5V
AV DD .....................................................................-0.3 to 4.0V
Digital inputs and outputs w.r.t. AGND................. -0.3V to 4.0V
Analog Inputs (I+,I-,V+,V-) w.r.t. AGND ............... ....-2V to +2V
VREF input w.r.t. AGND .............................-0.6V to AV
DD +0.6V
Maximum Current out of DGND pin..............................300 mA
Maximum Current into DVDD pin.................................250 mA
Maximum Output Current Sunk by Digital IO ................25 mA
Maximum Current Sourced by Digital IO.......................25 mA
Storage temperature .....................................-65°C to +150°C
Ambient temperature with power applied...... -40°C to +125°C
Soldering temperature of leads (10 seconds) ............. +300°C
ESD on the analog inputs (HBM,MM).................4.0 kV, 200V
ESD on all other pins (HBM,MM)........................4.0 kV, 200V
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operation listings of this specification is
not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability.
1.1 Specifications
TABLE 1-1: ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all parameters apply at AV DD, DVDD = 2.7 to 3.6 V, T
A = -40°C to +125°C,
MCLK = 4 MHz, PGA GAIN = 1.
Characteristic Sym. Min. Typ. Max. Units Test Conditions
Power Measurement
Active Power (Note 2)P — ±0.1 — % 4000:1 Dynamic Range on
Current Channel (Note 1)
Reactive Power ( )Note 2 Q — ±0.1 — % 4000:1 Dynamic Range on
Current Channel (Note 1)
Apparent Power ( )Note 2 S — ±0.1 — % 4000:1 Dynamic Range on
Current Channel (Note 1)
Current RMS (Note 2)IRMS — ±0.1 — % 4000:1 Dynamic Range on
Current Channel (Note 1)
Voltage RMS ( )Note 2 VRMS — ±0.1 — % 4000:1 Dynamic Range on
Voltage Channel (Note 1)
Power Factor ( )Note 2 — ±0.1 — %
Line Frequency ( )Note 2 VRMS — ±0.1 — %
Calibration, Calculation and Event Detection Times
Auto-Calibration Time tCAL —
2
N
x (1/f
LINE
)
— ms Note 7
Minimum Calculation
and Event Detection Time
tCALC_EVENT
2
N
x (1/f
LINE
)
— — ms
Minimum Time
for Voltage Sag Detection
tAC_DROP —see
Section 7.7
— ms Note 4
Note 1: Specification by design and characterization; not production tested.
2: Calculated from reading the register values.
3: VIN = 1VPP = 353 mVRMS @ 50/60 Hz.
4: Applies to Voltage Sag and Voltage Surge Events Only.
5: Variation applies to internal clock and UART only. All calculated output quantities are temperature compensated to the
performance listed in the respective specification.
6: Applies to all gains. Offset and gain errors depend on the PGA gain setting. See Section 2.0 “Typical Performance
Curves” for typical performance.
7: N = Value in the AccumulationInternalParameter register (0x005A). The default value of this register is 2 or T CAL = 80 ms
for 50 Hz line.

Product specificaties

Merk: Microchip
Categorie: Niet gecategoriseerd
Model: MCP39F501

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