参数资料
型号: L6470HTR
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 7 A, PDSO28
封装: ROHS COMPLIANT, HTSSOP-28
文件页数: 3/64页
文件大小: 814K
代理商: L6470HTR
L6470
Electrical characteristics
Doc ID 16737 Rev 2
11/64
3
Electrical characteristics
VSA = VSB = 36 V; VDD = 3.3 V; internal 3 V regulator; TJ = 25°C, unless otherwise specified.
Table 4.
Electrical characteristics
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
General
VSthOn
VS UVLO turn on threshold
7.5
8.2
8.9
V
VSthOff
VS UVLO turn off threshold
6.6
7.2
7.8
V
VSthHyst
VS UVLO threshold hysteresis
0.7
1
1.3
V
Iq
Quiescent motor supply current
Internal oscillator selected;
VREG = 3.3V ext;
CP floating
0.5
0.65
mA
Tj(WRN)
Thermal warning temperature
130
°C
Tj(SD)
Thermal shutdown temperature
160
°C
Charge pump
Vpump
Voltage swing for charge pump oscillator
10
V
fpump,min
Minimum charge pump oscillator frequency (1)
660
kHz
fpump,max
Maximum charge pump oscillator frequency (1)
800
kHz
Iboot
Average boot current
fsw,A = fsw,B = 15.6 kHz
POW_SR = ‘10’
1.1
1.4
mA
Output DMOS transistor
RDS(on)
High side switch ON resistance
Tj = 25 °C,
Iout = 3A
0.37
Ω
Tj = 125 °C,
(2)
Iout = 3A
0.51
Low side switch ON resistance
Tj = 25 °C,
Iout = 3A
0.18
Tj = 125 °C,
(2)
Iout = 3A
0.23
IDSS
Leakage current
OUT = VS
3.1
mA
OUT = GND
-0.3
tr
Rise time (3)
POW_SR = '00', Iout = +1A
100
ns
POW_SR = '00', Iout = -1A
80
POW_SR = ‘11’, Iout = ±1A
100
POW_SR = ‘10’, Ilout = ±1A
200
POW_SR = ‘01’, Iout = ±1A
300
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