PCA9685 datasheet(38/50 Pages) NXP

Part #	PCA9685

Description	16-channel, 12-bit PWM Fm I2C-bus LED controller

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Manufacturer	NXP [NXP Semiconductors]

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38 / 50 page

PCA9685_2

Product data sheet

Rev. 02 — 16 July 2009

38 of 50

NXP Semiconductors

PCA9685

16-channel, 12-bit PWM Fm+ I2C-bus LED controller

[1]

VDD must be lowered to 0.2 V in order to reset part.

[2]

Each bit must be limited to a maximum of 25 mA and the total package limited to 400 mA due to internal busing limits.

Address inputs; OE input; EXTCLK

VIL

LOW-level input voltage

−0.5

-

+0.3VDD V

VIH

HIGH-level input voltage

0.7VDD

-

5.5

V

ILI

input leakage current

−1-

+1

µA

Ci

input capacitance

-

3

5

pF

Table 13.

Static characteristics …continued

VDD = 2.3 V to 5.5 V; VSS =0V; Tamb = −40 °Cto+85 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Fig 28. IDD typical values with OSC on and

fSCL = 1 MHz versus temperature

Fig 29. IOL typical drive (LEDn outputs) versus

temperature

Fig 30. Standby supply current versus temperature

002aad877

Tamb (°C)

−50

100

50

0

4

6

2

8

10

IDD

(mA)

0

VDD = 5.5 V

3.3 V

2.3 V

−50

100

50

0

002aad878

20

40

60

IOL

(mA)

0

Tamb (°C)

VDD = 4.5 V

3.0 V

2.3 V

002aad879

Tamb (°C)

−50

100

50

0

2

3

1

4

5

Istb

(

µA)

0

VDD = 5.5 V

3.3 V

2.3 V

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PCA9685 Datasheet(PDF) 38 Page - NXP Semiconductors

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