L6470H STMicroelectronics, L6470H Datasheet - Page 36

• Manufacturer Part Number: L6470H
• Description: Motor / Motion / Ignition Controllers & Drivers 8 - 45V 7.0A 1/128 Microstepping SPI
• Manufacturer: STMicroelectronics
• Type: Micro Stepping Motor Driverr
• Series: -r

Specifications of L6470H

• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 8 V to 45 V
• Supply Current: 0.5 mA
• Mounting Style: SMD/SMT
• Package / Case: HTSSOP-28
• Operating Temperature: - 40 C to + 125 C
• Applications: Stepper Motor Driver, 2 Phase
• Evaluation Tools: *
• Number Of Outputs: 1
• Current - Output: 3A
• Voltage - Load: 8 V ~ 45 V
• Voltage - Supply: 3.3V, 5V
• Mounting Type: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Programming manual
9
9.1
Table 8.
36/64
Address
[Hex]
h0A
h0B
h0C
h0D
h0E
h01
h02
h03
h04
h05
h06
h07
h08
h15
h09
h0F
h10
h11
h12
h13
h14
h16
h17
Register name
FN_SLP_ACC Acceleration final slope
FN_SLP_DEC Deceleration final slope
STEP_MODE Step mode
MAX_SPEED
MIN_SPEED
KVAL_HOLD
ALARM_EN
KVAL_RUN
KVAL_ACC
KVAL_DEC
K_THERM
ADC_OUT
STALL_TH
ABS_POS
Programming manual
Registers and flags description
Following a map of the user registers available (detailed description in respective
paragraphs):
Registers map
INT_SPD
OCD_TH
EL_POS
FS_SPD
ST_SLP
SPEED
MARK
ACC
DEC
Current position
Electrical position
Mark position
Current speed
Acceleration
Deceleration
Maximum speed
Minimum speed
Full step speed
Holding
Constant speed
Acceleration starting
Deceleration starting
Intersect speed
Start slope
Thermal compensation
factor
ADC output
OCD threshold
STALL threshold
Alarms enables
Register function
K
VAL
K
VAL
K
K
Doc ID 16737 Rev 2
VAL
VAL
Len.
[bit]
22
14
22
20
12
12
10
13
10
9
8
8
8
8
8
8
8
4
5
4
7
8
8
000000 0
000000 0
00000
Reset
XX
0408
Hex
08A
08A
000
041
000
027
FF
29
29
29
29
19
29
29
40
0
8
7
(2)
0
0 step/tick
(0 step/s)
125.5e-12 step/tick
(2008 step/s
125.5e-12 step/tick
(2008 step/s
248e-6 step/tick
(991.8 step/s)
0 step/tick
(0 step/s)
150.7e-6 step/tick
(602.7 step/s)
0.16·VS
0.16·VS
0.16·VS
0.16·VS
61.5e-6 step/tick (246 step/s)
0.038% s/step
0.063% s/step
0.063% s/step
1.0
3.38A
2.03A
128 microsteps
All alarms enabled
2
2
Reset
Value
)
)
2
2
Remarks
R, WR
R, WR
R, WR
R, WR
R, WR
R, WR
R, WR
R, WH
R, WH
R, WH
R, WH
R, WR
R, WR
R, WR
R, WH
R, WS
R, WS
R, WS
R, WS
R, WS
R, WS
(1)
R
R
L6470