参数资料
型号: MAX8759ETI+T
厂商: Maxim Integrated
文件页数: 22/32页
文件大小: 0K
描述: IC CNTRL CCFL BACKLIGHT 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: CCFL 控制器
频率: 30 ~ 80 kHz
电流 - 电源: 2.5mA
电源电压: 4.5 V ~ 28 V
工作温度: -40°C ~ 85°C
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
Low-Cost, SMBus, CCFL Backlight Controller
A
t LOW
B
t HIGH
C
D
E
F
G
H
I
J
K
SMBCLK
SMBDATA
t SU:STA t HD:STA
t SU:DAT
t HD:DAT
t SU:DAT
t SU:STO
t BUF
A = START CONDITION.
B = MSB OF ADDRESS CLOCKED INTO SLAVE.
C = LSB OF ADDRESS CLOCKED INTO SLAVE.
D = R/W BIT CLOCKED INTO SLAVE.
E = SLAVE PULLS SMBDATA LINE LOW.
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER.
G = MSB OF DATA CLOCKED INTO MASTER.
H = LSB OF DATA CLOCKED INTO MASTER.
I = ACKNOWLEDGE CLOCK PULSE.
J = STOP CONDITION.
K = NEW START CONDITION.
Figure 10. SMBus Read Timing
Table 3. Commands Description
DATA-REGISTER BIT ASSIGNMENT
SMBus
PROTOCOL
Read and
Write
COMMAND
BYTE
0x00
POR
STATE
0xFF
BIT 7
(MSB)
BR7
BIT 6
BRT6
BIT 5
BRT5
BIT 4
BR4
BIT 3
BRT3
BIT 2
BRT2
BIT 1
BRT1
BIT 0
(LSB)
BRT0
Read and
Write
0x01
0x00
Reserved Reserved
ALSDEL1 ALSDEL0
ALS_CTL
PWM_MD PWM_SEL LAMP_CTL
Read Only
0x02
N/A
Reserved Reserved
Reserved Reserved LAMP_STAT OV_CURR Reserved
FAULT
Read Only
Read Only
Read and
Write
Read and
Write
0x03
0x04
0x05
0x06
0x01
0x00
0x00
0xFF
MFG4
ALS7
ALSLL7
ALSHL7
MFG3
ALS6
ALSLL6
ALSHL6
MFG2
ALS5
ALSLL5
ALSHL5
MFG1
ALS4
ALSLL4
ALSHL4
MFG0
ALS3
ALSLL3
ALSHL3
REV2
ALS2
ALSLL2
ALSHL2
REV1
ALS1
ALSLL1
ALSHL1
REV0
ALS0
ALSLL0
ALSHL0
22
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