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參數(shù)資料
| 型號： | L6246 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 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)： | 6/12頁 |
| 文件大?。?/td> | 162K |
| 代理商： | L6246 |
Obsolete
Product(s)
- Obsolete
Product(s)
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
Vpow. max.
Maximum supply voltage
15
V
Vdigital max.
Maximum supply voltage
7
V
Vin max.
Maximum input voltage
Vdigital
±0.3
V
Vin min.
Minimum input voltage
GND - 0.3
V
Ipeak
Peak sink/source output current
3
A
Idc
DC sink/source output current
1.7
A
Ptot
Maximum total power dissipation
1.7
W
Top
Operative temperature range
0 to 80
°C
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth j-case
Thermal resistance junction to case
20
°C/W
Rth j-amb
Thermal resistance junction to ambient mounted on standard PCB (*)
66
°C/W
Rth j-amb
Thermal resistance junction to ambient mounted on PCB (**)
35
°C/W
(*) Standard board construction: single layer (1S 0P); size 100mm long by 100mm wide.
(**) The board construction includes: a 6 layer board (2S 4P, with power planes
80%); size 136mm long by 99mm wide; package location
near middle point of lenght and one third of width.
PIN FUNCTIONS
Pin
Name
Description
1
N.C.
Not Connected.
2
Filter_cap
Filter capacitor for 10V internal regulator. The capacitor is optional.
3
Brake Delay
Voice Coil Motor brake delay capacitor.
4
-Thermal SD
Pre Thermal Shut Down indication Output.
5
Sense_in+
Non inverting Input of Sense Amplifier.
6
Sense_in-
Inverting Input of Sense Amplifier.
7
Gnd
Ground.
8
Err_out
Error Amplifier Output.
9
Err-
Inverting Input of Error Amplifier.
10
Sense_out
Output of Sense Amplifier.
11
N.C.
Not Connected.
12
Vin_out
Output of Input Amplifier.
13
Vin-
Inverting Input of Input Amplifier.
14
Vin+
Non inverting Input of Input Amplifier.
15
+Vcc/2
Half Supply Voltage reference.
16
+Motor start
Motor start Output to Spindle Controller.
17
-AE_W_Gate
Write Gate Output to AE.
18
+Vdd
+5V Supply.
19
+Vcc
+12V Supply.
20
-POR
Power On Reset. Low will signal the failure of the logic supply or 12V supply
21
+5V Ref
+5V Reference Output from the Voltage Reference Regulator.
22
T_cap
Power On Reset Timing Capacitor. The capacitor sets the POR delay.
23
N.C.
Not Connected.
24
+5V Ref Gnd
Ground for Voltage Reference Generator.
25
+5Setpt
+5V Monitor Set Point and filtering
L6246
3/12
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