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參數(shù)資料
| 型號： | PCA9533D01 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 4-bit I2C LED dimmer |
| 中文描述： | 4位I2C LED調(diào)光 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大小： | 133K |
| 代理商： | PCA9533D01 |
Philips Semiconductors
Product data sheet
PCA9533
4-bit I
2
C LED dimmer
2004 Oct 01
14
t
SP
t
BUF
t
HD;STA
P
P
S
t
LOW
t
R
t
HD;DAT
t
F
t
HIGH
t
SU;DAT
t
SU;STA
Sr
t
HD;STA
t
SU;STO
SDA
SCL
SU00645
Figure 18. Definition of timing
PROTOCOL
SCL
SDA
tHD;STA
tSU;DAT
tHD;DAT
tVD;DAT
tf
r
t
tBUF
tSU;STA
tLOW
tHIGH
1 / fSCL
START
CONDITION
(S)
BIT 7
MSB
(A7)
BIT 6
(A6)
tVD;ACK
SW02333
BIT 7
(D1)
STOP
CONDITION
(P)
tSU;STO
BIT 8
(D0)
ACKNOWLEDGE
(A)
Figure 19. I
2
C-bus timing diagram; rise and fall times refer to V
IL
and V
IH
PULSE
GENERATOR
V
I
V
O
C
50 pF
V
DD
DEFINITIONS
R
L
=
Load resistor FOR LEDN. R
L
FOR SDA AND SCL > 1 k
(3 mA or less current).
C
L
=
Load capacitance includes jig and probe capacitance
R
T
=
Termination resistance should be equal to the output
impedance Z
O
of the pulse generators.
V
DD
Open
R
T
D.U.T.
R
L
= 500
SW02334
Figure 20. Test circuitry for switching times
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| PCA9533DP01 | 4-bit I2C LED dimmer |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9533D02 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C LED dimmer |
| PCA9533DP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C LED dimmer |
| PCA9533DP/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C-bus LED dimmer |
| PCA9533DP/01,118 | 功能描述:LED照明驅(qū)動器 I2C LED DIMMER 4BIT RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9533DP/02 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C-bus LED dimmer |
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