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MCP8021 数据表(PDF) 33 Page - Microchip Technology

部件名 MCP8021
功能描述  3-Phase Brushless DC (BLDC) Motor Gate Driver with Power Module, Sleep Mode, Op Amps
PDF  66 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP8021 数据表(HTML) 33 Page - Microchip Technology

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 2020-2024 Microchip Technology Inc. and its subsidiaries
DS20006265D-page 33
MCP8021/2
TABLE 4-6:
DE2 COMMUNICATION COMMANDS FROM HOST TO MCP8021/2
Command
Byte
Bit
Value
Description
SET_CFG_0
1
10000001 (81h)
Set Configuration Register 0
27
0
Reserved
6
0
Reserved (MCP8021)
0
Enable operational amplifiers in Standby mode (default) (MCP8022)
1
Disable operational amplifiers in Standby mode (MCP8022)
5
0
System enters Standby mode when OE = 0, SLEEP = 0 for more
than 1 ms
1
System enters Sleep mode when OE = 0, SLEEP = 1 for more than
1 ms
4
0
Reserved
3
0
Enable external MOSFET undervoltage lockout (default)
1
Disable external MOSFET undervoltage lockout
2
0
Enable external MOSFET short-circuit detection (default)
1
Disable external MOSFET short-circuit detection
1:0
00
Set external MOSFET overcurrent limit to 0.250V (default)
01
Set external MOSFET overcurrent limit to 0.500V
10
Set external MOSFET overcurrent limit to 0.750V
11
Set external MOSFET overcurrent limit to 1.000V
GET_CFG_0
1
10000010 (82h)
Get Configuration Register 0
STATUS_0
1
10000101 (85h)
Get Status Register 0
STATUS_1
1
10000110 (86h)
Get Status Register 1
SET_CFG_2
1
10000111 (87h)
Set Configuration Register 2
2
7:5
00h
Reserved
4:2
—
Driver dead time (for PWMH /PWML inputs)
000
2000 ns (default)
001
1750 ns
010
1500 ns
011
1250 ns
100
1000 ns
101
750 ns
110
500 ns
111
250 ns
1:0
—
Driver blanking time (ignore switching current spikes)
00
4 µs (default)
01
2µs
10
1µs
11
500 ns
GET_CFG_2
1
10001000 (88h)
Get Configuration Register 2
GET_REV_ID 1
10010000 (90h)
Get device hardware revision



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