參數(shù)資料
型號(hào)： L6246
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： VOICE COIL MOTOR CONTROLLER, 3 A, PQFP44
封裝： 10 X 10 MM, PLASTIC, QFP-44
文件頁數(shù)： 7/12頁
文件大小： 162K
代理商： L6246
Obsolete
Product(s)
- Obsolete
Product(s)
ELECTRICAL CHARACTERISTICS (Tj = 25°C, Vdd = 5V, Vcc = 12V; unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vcc
Analog/Power supply voltage
range
10.8
12
13.2
V
Vdd
Digital supply voltage range
4.5
5
5.5
V
Idd
Digital supply quiescent current
Output ENABLED
5
mA
Idd
Digital supply quiescent current
Output DISABLED
5
mA
Icc
Power supply quiescent current
Output ENABLED
20
mA
Icc
Power supply quiescent current
Output DISABLED
10
mA
THERMAL SHUT DOWN DATA
Th_SD
Shut down Temperature
135
160
°C
Th_SD_H
Shut down hysteresys
25
°C
Th_Warn
Pre Shut down alarm
115
140
°C
Pre Shut down alarm hysteresys
15
°C
EXTERNAL N-MOSFET GATE DRIVER
Vll
Low level voltage
500
mV
Vhl
High level voltage
Vcc+4
V
Isink
Current sinking capability
4
mA
Isource
Current source capability
0.5
mA
POWER ON RESET AND GATE SPECIFICATION
Vdd_und_th
Digital undervoltage threshold
3.8
4.1
4.45
V
Vcc_und_th
Power undervoltage threshold
8.5
9.25
10.0
V
POR_to
POR timeout
Cpor = 1
F
375
500
625
ms
POR_delay
Time delay for POR Active
1
s
Vdd_POR_T_R
Power supply POR thereshold
Resistance
10
K
PIN FUNCTIONS (continued)
Pin
Name
Description
26
+12Setpt
+12V Monitor Set Point and filtering
27
Vbemf
Input BEMF from spindle motor for parking circuit.
28
Rpark
Resistor for setting the park voltage.
29
-W_Gate
Write Gate Input.
30
+VCM park
External input for parking. High will activate the park procedure.
31
-Spindle_start
Spindle Start input.
32
+Enable
Input. logic low will disable only the IC.
33
N.C.
Not Connected.
34
Cpgnd
Charge Pump Ground.
35
Gnd
Ground.
36
Out+
Power Amplifier Output.
37
Vcc
+12V Power Supply.
38
C1
Charge Pump Oscillator Output.
39
C2
Input for external Charge Pump Capacitor.
40
Vcp
Output for Charge Pump Storage Capacitor.
41
Vcc
+12V Power Supply.
42
Out-
Power Amplifier Output.
43
Gnd
Ground.
44
Gate Drive
Gate Drive for External Isolation N-MOSFETS.
L6246
4/12
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