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AS3693B bảng dữ liệu(PDF) 29 Page - ams AG

tên linh kiện AS3693B
Giải thích chi tiết về linh kiện  16 Channel high precision LED driver for LCD Backlight
PDF  33 Pages
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nhà sản xuất  AMSCO [ams AG]
Trang chủ  http://www.ams.com
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AS3693B bảng dữ liệu(HTML) 29 Page - ams AG

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AS3693B
austriami crosyst ems
www.austriamicrosystems.com
Revision 1.21 / 2011-09-30
28 - 32
Table 5 – Pinlist
Pin
Name
Type
Description
36
CURR_sense9
AIO
Connect to Drain of external Transistor (input for Open and Short led detection)
37
FBR
AIO
Automatic supply regulation for RED led strings; if not
used, leave open
38
VSYNC
DI
Video sync signal , NOTE: Connect to GND in ASYNC MODE
39
HSYNC
DI
Video sync signal or external clock input in ASYNC mode
40
CS
DI
SPI : CS – function, I2C: connect to GND
41
SCL
DI
SPI/ I2C: Serial interface clock input.
42
SDA
DI
SPI/ I2C: Serial interface data I/O.
43
SDO
DO
SPI: digital data output, I2C: leave open
44
FAULT
DO
FAULT PIN, open drain output. Connect pull up resistor to V2_5
45
CURR_sense10
AIO
Connect to Drain of external Transistor (input for Open and Short led detection)
46
GATE10
AIO
Connect to Gate of External Transistor
47
RFB10
AIO
Connect to Source of External Transistor and to Resistor RSET
48
GATE11
AIO
Connect to Gate of External Transistor
49
RFB11
AIO
Connect to Source of External Transistor and to Resistor RSET
50
CURR_sense11
AIO
Connect to Drain of external Transistor (input for Open and Short led detection)
51
GATE12
AIO
Connect to Gate of External Transistor
52
RFB12
AIO
Connect to Source of External Transistor and to Resistor RSET
53
CURR_sense12
AIO
Connect to Drain of external Transistor (input for Open and Short led detection)
54
GATE13
AIO
Connect to Gate of External Transistor
55
RFB13
AIO
Connect to Source of External Transistor and to Resistor RSET
56
CURR_sense13
AIO
Connect to Drain of external Transistor (input for Open and Short led detection)
57
CURR_sense14
AIO
Connect to Drain of external Transistor (input for Open and Short led detection)
58
RFB14
AIO
Connect to Source of External Transistor and to Resistor RSET
59
GATE14
AIO
Connect to Gate of External Transistor
60
CURR_sense15
AIO
Connect to Drain of external Transistor (input for Open and Short led detection)
61
RFB15
AIO
Connect to Source of External Transistor and to Resistor RSET
62
GATE15
AIO
Connect to Gate of External Transistor
63
CURR_sense16
AIO
Connect to Drain of external Transistor (input for Open and Short led detection)
64
RFB16
AIO
Connect to Source of External Transistor and to Resistor RSET
65
(EP)
GND
S
VSS Supply connection; add as many vias to
ground plane as possible.
AIO…Analog pin
DI…Digital input. Protected with clamp to 2.5V
DO…Digital output. Protected with clamp to 2.5V
S… VSS supply
Note: Connect any unused output channel as follows:
- GATEx = open, RFbx = CURR_senseX = GND



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