參數(shù)資料
型號: AMIS-30622
英文描述: I2C Microstepping Motordriver
中文描述: 的I2C微步Motordriver
文件頁數(shù): 4/35頁
文件大?。?/td> 2887K
代理商: AMIS-30622
AMIS-30622 I
2
C Microstepping Motordriver
Data Sheet
AMI Semiconductor - Rev. 2.3
www.amis.com
4
3.0 Pin-out
4.0 Package Thermal Resistance
Pin Name
SDA
SCK
VDD
GND
TST1
TST2
HW
CPN
CPP
VCP
VBB
MOTYN
MOTYP
MOTXN
MOTXP
SWI
Pin Description
Serial I/O
Clock for SDA
Internal supply (needs external decoupling capacitor)
Ground, heat sink
Test pin (to be tied to ground in normal operation)
Test pin (to be left open in normal operation)
Hardwired address bit
Negative connection of pump-capacitor (charge pump)
Positive connection of pump-capacitor (charge pump)
Charge-pump filter-capacitor
Battery voltage supply
Negative end of phase Y coil
Positive end of phase Y coil
Negative end of phase X coil
Positive end of phase X coil
Switch input
SOIC-20
1
2
3
4,7,14,17
5
6
8
9
10
11
12, 19
13
15
16
18
20
SOIC-20
4.1. SO20
The junction-case thermal resistance is 28°C/W, leading to a
junction-ambient thermal resistance of 63°C/W, with the
PCB ground plane layout condition given on the figure
beside, and with:
PCB thickness = 1.6mm
1 layer
Copper thickness = 35μm
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