PCA9685 datasheet(39/52 Pages) PHILIPS

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PCA9685

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Product data sheet

Rev. 4 — 16 April 2015

39 of 52

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

ILI

input leakage current

1-

A

input capacitance

Table 14.

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

IDD

(mA)

VDD = 5.5 V

3.3 V

2.3 V

−50

100

002aad878

IOL

(mA)

Tamb (°C)

VDD = 4.5 V

3.0 V

2.3 V

002aad879

Tamb (°C)

−50

100

Istb

(

μA)

VDD = 5.5 V

3.3 V

2.3 V

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