L6460 STMicroelectronics, L6460 Datasheet - Page 71

• Manufacturer Part Number: L6460
• Description: MOSFET & Power Driver ICs SPI Config Stepper DC Multi Motor DRV
• Manufacturer: STMicroelectronics
• Type: Full-Bridge Driverr

Specifications of L6460

• Product: Half-Bridge Drivers
• Rise Time: 0.4 us
• Fall Time: 0.4 us
• Supply Voltage (max): 38 V
• Supply Voltage (min): 13 V
• Supply Current: 11 mA
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 4
• Output Current: 10 mA
• Output Voltage: 30 V
• Package / Case: TQFP-64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L6460
Table 25.
The voltage spikes on R
the output of current sense comparator. The Blanking time selection is made by using the
StepBlkTime[1:0] bits in the StpCfg1 register.
The stepper driver off time could be programmed by means of the StepOffTime[4:0] bits in
StpCfg1 register.
Table 26.
step
Half
(2 phases
Full step
on)
Internal sequencer (continued)
Stepper off time
StepOffTime[4:0]
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
Control mode
Full step
(1 phase
on)
sense
could be filtered by selecting an appropriate blanking time on
Doc ID 17713 Rev 1
step
1/4
step
1/8
32
step
1/16
63
64
Off time
Typ
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
2
4
6
8
Phase A
current (% of IMAX)
(sin)
55.6
63.4
Typical output
Phase B
(cos)
83.1
77.3
Power bridges
Unit
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
Resulting
Electrical
electrical
degrees
angle
33.8°
39.4°
71/139