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: 7/64页
文件大小: 814K
代理商: L6470HTR
L6470
Electrical characteristics
Doc ID 16737 Rev 2
15/64
tcpwu
Charge pump power-on and wake-up time
Power bridges disabled,
Cp = 10nF,
Cboot = 220nF
650
μs
Internal voltage regulator
VREG
Voltage regulator output voltage
2.9
3
3.2
V
IREG
Voltage regulator output current
40
mA
VREG, drop
Voltage regulator output voltage drop
IREG = 40mA
50
mV
IREG,STBY
Voltage regulator standby output current
10
mA
Integrated analog to digital converter
NADC
Analog to digital converter resolution
5
bit
VADC,ref
Analog to digital converter reference voltage
VREG
V
fS
Analog to digital converter sampling
frequency
fPWM
kHz
1.
Accuracy depends on oscillator frequency accuracy.
2.
Tested at 25°C in a restricted range and guaranteed by characterization.
3.
Rise and fall time depends on motor supply voltage value. Refer to SRout values in order to evaluate the actual rise and fall
time.
4.
Not valid for STBY/RST pin which have internal pull-down resistor.
5.
Not valid for SW and CS pins which have internal pull-up resistor
6.
FLAG, BUSY and SYNC open drain outputs included.
7.
See Figure 16– SPI timings diagram for details.
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
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