L7200 Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
производитель
L7200 Datasheet PDF : 23 Pages
| |||
L7200
PIN FUNCTION
Pin Types: D = Digital, P = Power, A = Analog
N°
Pin Name
Description
1,2
VCC
+12V Power Supply after ISOFET.
3,4
VPS
+12V Power Supply.
5
GND
Power Ground (substrate).
6
SYSCLK Clock Frequency for system timers and counters
7
FCOM
Output of Spindle zero crossing or Current Sense circuit
8
VDD
Digital +5V Supply
9
BRAKE Storage capacitor for brake circuit. Typically 5.9V
10
ISENSE Input to sense the voltage of the SPINDLE Sense Resistor.
11
CTAP
Spindle Center Tap used for Differential BEMF sensing
12
GAINRES External resistor for VCM switch gain.
13
VBOOST External main Charge Pump Capacitor (typically VCC+5.8V)
14
PUMP
External Charge Pump
15
SSOUT Shock Sensor detector Digital Output
16
SSFOUT Shock Sensor detector filter Output
17
SSFIN
Shock Sensor detector filter Input
18 SSBUFOUT Shock Sensor detector amplifier Output
19
SSIN
Shock Sensor detector amplifier Input
20
TR_2.5V Set Point Input for 2.5V Supply monitor
21
TR_3.3V Set Point Input for 3.3V Supply monitor
22
TR_5V Set Point Input for 5V Supply monitor
23
TR_12V Set Point Input for 12V Supply monitor
24
AGND
Analog Ground
25
AVCC
+12V analog Supply (after ISOFET)
26
RBIAS
External resistor for setting accurate bias current
27 VREG2.5_DR 2.5V positive regulator drive output
28 VREG2.5_IN 2.5V positive regulator sense input
29 VREG3.3_DRV 3.3V positive regulator drive output
30 VREG3.3_IN 3.3V positive regulator sense input
31
PORB
Power On Reset Output
32
DAC_OUT Output of VCM DAC
33 VREG8_DRV 8V positive regulator drive output
4/23
Type
P
P
P
D
D
D
A
A
A
A
A
A
D
A
A
A
A
A
A
A
A
A
P
A
A
A
A
A
A
A
A
Share Link: 