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參數(shù)資料
| 型號(hào)： | L6239 |
| 文件頁(yè)數(shù)： | 4/13頁(yè) |
| 文件大?。?/td> | 152K |
| 代理商： | L6239 |
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PIN DESCRIPTION
Pin Types: I = Input, O = Output,P = Power, A = Analog (passive)
N.
Name
Function
Pin Type
POWER
6, 7, 17,
29, 40
38
8, 9,37
13
21
Ground
Power Ground
AI
Analog Ground
VPower
VAnalog
Vdgtl
Analog Signal Return
Driver PowerSupply (12V)
Analog Supply (12V)
Logic Supply (5V)
AI
AI
AI
AI
SERIAL INTERFACE, DIGITAL & TEST PINS
22
SDIO
25
R/W
27
SLoad
26
SCLK
19
Sequence
Increment
23
Brake
Serial Port Data I/O
Serial Port Read/Write Input
Serial Port Chip Select. Port is selected when low
Serial Port Clock
Increments the spindle commutation on low to high transition
DI/O
DI
DI
DI
DI
Applies braking (all low side drivers energized) after the timedefinedby
Brake_time. Active low
Resets the controller on receipt of POR low
Post masching BEMF zero crossing signal
Sistem clock
Test pin 1
Test pin 2
DI
24
14
20
28
30
POR
DI
DO
DI
TO
TO
BEMF det
SYS CLK
TP out1
TP out2
ANALOGPINS
4, 5
1, 2
41, 42
36
3, 43, 44
35
Coil A
Coil B
Coil C
Center Tap
Rsense
CSA Input
Motor Coil Driver for phase A. This pin isalso used for sensing the BEMF
As above for phase B
As above for phase C
Center tap motor connection
Sense Resistor Pins
Current SenseAmplifier Input for sensing of voltage across the external
sense resistor.
A series RC network to ground that defines the compensation for the
Transconductance Loop
For external PMOS applications
AI/O
AI/O
AI/O
AI/O
AI/O
AI/O
33
GM Comp
AO
32
Gate Drive
(NOTE 1)
Cpump 1
Cpump 2
Vpump
PWM/ Slew
PWM Timer
Vreg Base
Vreg Isense
Vreg Vsense
AI/O
10
12
11
34
31
15
18
16
Positive terminal of the pump capacitor
Negative terminal of the pump capacitor
Charge pump output
An RC network to GND defines the slew ate from this pin
Masking for PWM (max)
Negative voltage regulator - Base
Negative voltage regulator - Currentinput
Negative voltage regulator - Regulator
A/O
A/O
A/O
AO
AO
A/O
AI
AI
NOTE 1:for internal mode, thispin must be grounded.For external mode, connect this pin to the external PMOS.
L6239
4/13
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