PCA9552, PCA9552BS, PCA9552BS-T Selling Leads, Datasheet
MFG:PHI Package Cooled:SOP/8 D/C:08+
PCA9552, PCA9552BS, PCA9552BS-T Datasheet download
Part Number: PCA9552
MFG: PHI
Package Cooled: SOP/8
D/C: 08+
PCA9552, PCA9552BS, PCA9552BS-T
- Table of contents:
Info of PCA9552
Info of PCA9552BS
Info of PCA9552BS-T
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About PCA9552
PDF/DataSheet Download
Datasheet: PCA9552
File Size: 170586 KB
Manufacturer: PHILIPS [Philips Semiconductors]
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About PCA9552BS
PDF/DataSheet Download
Datasheet: PCA9552BS
File Size: 170586 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About PCA0102A
PDF/DataSheet Download
Datasheet: PCA0102A
File Size: 58014 KB
Manufacturer: ZCOMM [Z-Communications, Inc]
Download : Click here to Download
PCA9552 General Description
The PCA9552 LED Blinker blinks LEDs in I2 C-bus and SMBus applications where it is necessary to limit bus traffic or free up the I2C Master!fls (MCU, MPU, DSP, chipset, etc.) timer. The uniquenes of this device is the internal oscillator with two programmable blink rates. To blink LEDs using normal I/O Expanders like the PCF8574 or PCA9554, the bus master must send repeated commands to turn the LED on and off. This greatly increases the amount of traffic on the I2C-bus and uses up one of the mastertimers.
The PCA955 LED Blinker instead requires only the initial set up command to program BLINK RATE 1 and BLINK RATE 2 (i.e., the frequency and duty cycle) for each individual output. From then on, only one command from the bus master is required to turn each individual open drain output ON, OFF, or to cycle at BLINK RATE 1 or BLINK RATE 2. Maximum output sink current is 25 mA per bit and 200 mA per package.
PCA9552 Maximum Ratings
| symbol | partameter | conditions | MIN | MAX | unit |
| VDD | Supply voltage | -0.5 | 6.0 | V | |
| VI/O | DC voltage on an I/O | VSS- 0.5 |
5.5 | V | |
| I I/O | DC output current on an I/O | - | +25 | MA | |
ISS |
upply current | - | 100 | MA | |
| Ptot | Total power dissipation | - | 400 | mW | |
| Tstg | Storage temperature range | -65 | +150 | °C | |
| Tamb | Operating ambient temperature | -40 | +85 | °C |
PCA9552 Features
16 LED drivers (on, off, flashing at a programmable rate) comma
2 selectable, fully programmable blink rates (frequency and duty
cycle) between 0.172 Hz and 44 Hz (5.82 and 0.023 seconds)
Input/outputs not used as LED drivers can be used as regular
Internal oscillator requires no external components
I2C-bus interface logic compatible with SMBus
Internal power-on reset
Noise filter on SCL/SDA inputs
Active-LOW reset input
16 open drain outputs directly drive LEDs to 25 mA
Edge rate control on outputs
No glitch on power-up
Supports hot insertion
Low stand-by current
Operating power supply voltage range of 2.3 V to 5.5 V
0 to 400 kHz clock frequency
ESD protection exceeds 2000 V HBM per JESD22-A114,
150 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
Latch-up testing is done to JESDEC Standard JESD78 which exceeds 100 mA
Packages offered: SO24, TSSOP24, HVQFN24
2 selectable, fully programmable blink rates (frequency and duty
cycle) between 0.172 Hz and 44 Hz (5.82 and 0.023 seconds)
Input/outputs not used as LED drivers can be used as regular
Internal oscillator requires no external components
I2C-bus interface logic compatible with SMBus
Internal power-on reset
Noise filter on SCL/SDA inputs
Active-LOW reset input
16 open drain outputs directly drive LEDs to 25 mA
Edge rate control on outputs
No glitch on power-up
Supports hot insertion
Low stand-by current
Operating power supply voltage range of 2.3 V to 5.5 V
0 to 400 kHz clock frequency
ESD protection exceeds 2000 V HBM per JESD22-A114,
150 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
Latch-up testing is done to JESDEC Standard JESD78 which exceeds 100 mA
Packages offered: SO24, TSSOP24, HVQFN24
PCA9552 Connection Diagram
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