PCA9532PW NXP Semiconductors, PCA9532PW Datasheet - Page 13

• Manufacturer Part Number: PCA9532PW
• Description: LED Drivers I2C LED DIMMER 16BIT
• Manufacturer: NXP Semiconductors

Specifications of PCA9532PW

• Number Of Digits: 16
• Low Level Output Current: 6.5 mA
• Operating Supply Voltage: 2.3 V to 5.5 V
• Maximum Supply Current: 200 mA
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-355
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PCA9532PW,112

NXP Semiconductors
8. Application design-in information
PCA9532_4
Product data sheet
Fig 14. Typical application
I
2
C-BUS/SMBus
MASTER
5 V
LED0 to LED12 are used as LED drivers.
LED13 to LED15 are used as regular GPIOs.
SDA
SCL
10 k
8.1 Minimizing I
10 k
When the I/Os are used to control LEDs, they are normally connected to V
resistor as shown in
I/O V
lower than V
Designs needing to minimize current consumption, such as battery power applications,
should consider maintaining the I/O pins greater than or equal to V
Figure 15
than the LED supply voltage by at least 1.2 V. Both of these methods maintain the I/O V
at or above V
10 k
I
is about 1.2 V less than V
SDA
SCL
RESET
A2
A1
A0
V
SS
shows a high value resistor in parallel with the LED.
PCA9532
DD
DD
V
DD
DD
and is specified as I
and prevents additional supply current consumption when the LED is off.
LED10
LED11
LED12
LED13
LED14
LED15
LED0
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
LED9
when the I/Os are used to control LEDs
Figure
Rev. 04 — 17 March 2009
14. Since the LED acts as a diode, when the LED is off the
DD
. The supply current, I
DD
in
Table 13 “Static
5 V
DD
characteristics”.
, increases as V
16-bit I
Figure 16
DD
2
when the LED is off.
C-bus LED dimmer
PCA9532
© NXP B.V. 2009. All rights reserved.
shows V
DD
I
becomes
through a
002aae522
GPIOs
DD
13 of 29
less
I