8902-A 데이터 시트보기 (PDF) - Allegro MicroSystems
부품명
상세내역
제조사
8902-A Datasheet PDF : 12 Pages
| |||
8902–A
3-PHASE BRUSHLESS DC
MOTOR CONTROLLER/DRIVER
ELECTRICAL CHARACTERISTICS continued
Characteristic
CWD Current
CWD Threshold Voltage
Max. FLL Oscillator Frequency
IOUT(MAX)
Symbol
ICWD
VTL
VTH
fOSC
—
BRAKE Threshold
BRAKE Hysteresis Current
Transconductance Gain
Centertap Resistors
Back-EMF Hysteresis
VBRK
IBRKL
gm
RCT
—
Charging
Test Conditions
VDD = 5.0 V, TA = 25°C
D3 = 0, D4 = 0
D3 = 0, D4 = 1
D3 = 1, D4 = 0
D3 = 1, D4 = 1
VBRK = 750 mV
VBEMF - VCTAP at
FCOM Transition
SERIAL PORT TIMING CONDITIONS
Min.
-9.0
0.22
2.25
12
1.0
0.9
0.5
—
1.5
—
0.42
5.0
5.0
-5.0
Limits
Typ. Max.
-10 -11
0.25 0.28
2.5 2.75
—
—
1.2
1.4
1.0
1.1
0.6
0.7
250
—
1.75 2.0
20
—
0.50 0.58
10
13
20
37
-20 -37
Units
µA
V
V
MHz
A
A
A
mA
V
µA
A/V
kΩ
mV
mV
CHIP SELECT
CLOCK
DATA
EA
C
D
B
C
D
Dwg. WP-019
A. Minimum CHIP SELECT setup time before CLOCK rising edge .......... 100 ns
B. Minimum CHIP SELECT hold time after CLOCK rising edge ............... 150 ns
C. Minimum DATA setup time before CLOCK rising edge ........................ 150 ns
D. Minimum DATA hold time after CLOCK rising edge ............................. 150 ns
E. Minimum CLOCK low time before CHIP SELECT .................................. 50 ns
F. Maximum CLOCK frequency .............................................................. 3.3 MHz
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Share Link: 