L6470HTR STMicroelectronics, L6470HTR Datasheet - Page 8

• Manufacturer Part Number: L6470HTR
• Description: IC STEPPER/DC MOTOR DVR 28HTSSOP
• Manufacturer: STMicroelectronics

Specifications of L6470HTR

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10812-2

Block diagram
1
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Block diagram
Figure 1.
BUSY/SYNC
STBY/RST
FLAG
STCK
SDO
SDI
SW
CK
CS
V
DD
Oscillator
DGND
V
VDD
Block diagram
16MHz
DD
OSCIN
Ext. Osc. driver
Clock gen.
&
OSCOUT ADCIN
Temperature
Control
sensing
Logic
Doc ID 16737 Rev 2
ADC
Current DACs
Comparators
&
Voltage Reg.
VREG
HS
HS
HS
HS
LS
LS
LS
LS
3 V
A1
A2
B1
B2
A1
A2
B1
B2
HS
LS
HS
LS
Charge
A1
B1
A1
B1
pump
CP
V
V
boot
boot
VBOOT
Current
sensing
V
V
boot
boot
HS
HS
LS
LS
AGND
A2
B2
A2
B2
AM02377v1
L6470
OUT1A
OUT2A
OUT1B
OUT2B
VSA
VSA
PGND
VSB
VSB
PGND