Features
Battery Cell Controller, Advanced, 6 Channels, TPL, LQFP48.
Package
HLQFP48 LQFP64, plastic, low profile quad flat package; 64 terminals; 0.5 mm pitch; 10 mm x 10 mm x 1.4 mm body.
Buy Options
PCA9533D/01,118
End of Life
12NC: 935274434118
Details
PCA9533D/02,118
End of Life
12NC: 935274436118
Details
PCA9533D/01,112
No Longer Manufactured
12NC: 935274434112
Details
PCA9533D/02,112
No Longer Manufactured
12NC: 935274436112
Details
Operating Features
| Parameter | Value |
|---|---|
Number of Channels | 4 |
Output Current on pin LEDn (Max) (mA) | 25 |
Supply Voltage [Min to Max] (V) | 2.3 to 5.5 |
Serial Communication | 1 x I²C |
Topology | Voltage switch |
| Parameter | Value |
|---|---|
Blinking Rate (Min to Max) (Hz) | 0.59 to 152 |
# of Addresses | 2 |
Operating Temperature (Min-Max) (℃) | -40 to 85 |
AEC-Q100 compliant | N |
Environmental
| Part/12NC | PbFree | EU RoHS | Halogen Free | RHF Indicator | REACH SVHC | Weight (mg) |
|---|---|---|---|---|---|---|
PCA9533D/01,112(935274434112) | Yes | Yes | Yes |  | REACH SVHC | 71.16369999999979 |
PCA9533D/01,118(935274434118) | Yes | Yes Certificate Of Analysis (CoA) | Yes | | REACH SVHC | 71.16369999999979 |
PCA9533D/02,112(935274436112) | Yes | Yes | Yes | | REACH SVHC | 69.76369999999979 |
PCA9533D/02,118(935274436118) | Yes | Yes Certificate Of Analysis (CoA) | Yes | | REACH SVHC | 71.16369999999979 |
Quality
| Part/12NC | Safe Assure Functional Safety | Moisture Sensitivity Level (MSL) | Peak Package Body Temperature (PPT) (C°) | FIT | MTBF | IR | ||
|---|---|---|---|---|---|---|---|---|
| Lead Soldering | Lead Free Soldering | Lead Soldering | Lead Free Soldering | |||||
PCA9533D/01,112 (935274434112) | No | 1 | 1 | 240 | 260 | 2.0 | 5.0E8 | 0.0 |
PCA9533D/01,118 (935274434118) | No | 1 | 1 | 240 | 260 | 2.0 | 5.0E8 | 0.0 |
PCA9533D/02,112 (935274436112) | No | 1 | 1 | 240 | 260 | 2.0 | 5.0E8 | 0.0 |
PCA9533D/02,118 (935274436118) | No | 1 | 1 | 240 | 260 | 2.0 | 5.0E8 | 0.0 |
Shipping
| Part/12NC | Harmonized Tariff (US)Disclaimer |
|---|---|
PCA9533D/01,112 (935274434112) | 854239 |
PCA9533D/01,118 (935274434118) | 854239 |
PCA9533D/02,112 (935274436112) | 854239 |
PCA9533D/02,118 (935274436118) | 854239 |
Discontinued and Replacement Part Data
| Part/12NC | Discontinuance Notice | Last Time Buy Date | Last Time Delivery Date | Replacement |
|---|---|---|---|---|
PCA9533D/01,112 (935274434112) | - | 2018-01-24 | 2018-07-24 | PCA9533D/01,118 (935274434118) |
PCA9533D/01,118 (935274434118) | NOTICE | 2025-09-16 | 2026-03-16 | PCA9633TK,118 (935281618118) |
PCA9533D/02,112 (935274436112) | - | 2018-01-24 | 2018-07-24 | PCA9533D/02,118 (935274436118) |
PCA9533D/02,118 (935274436118) | NOTICE | 2025-09-16 | 2026-03-16 | PCA9633TK,118 (935281618118) |
Product Change Notice
| Part/12NC | Issue Date | Effective Date | PCN | Title |
|---|---|---|---|---|
PCA9533D/02,118 (935274436118) | 2024-12-16 | 2024-12-17 | 202409029DN | Discontinuation Notification Due to Low Volume for Numerous HPA Products |
More about PCA9533
The PCA9533 is a 4-bit I²C-bus and SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and backlight applications.
The PCA9533 contains an internal oscillator with two user programmable blink rates and duty cycles coupled to the output PWM. The LED brightness is controlled by setting the blink rate high enough (> 100 Hz) that the blinking cannot be seen and then using the duty cycle to vary the amount of time the LED is on and thus the average current through the LED.
The initial setup sequence programs the two blink rates/duty cycles for each individual PWM. From then on, only one command from the bus controller is required to turn individual LEDs ON, OFF, BLINK RATE 1 or BLINK RATE 2. Based on the programmed frequency and duty cycle, BLINK RATE 1 and BLINK RATE 2 will cause the LEDs to appear at a different brightness or blink at periods up to 1.69 seconds. The open-drain outputs directly drive the LEDs with maximum output sink current of 25 mA per bit and 100 mA per package.
To blink LEDs at periods greater than 1.69 second the bus controller (MCU, MPU, DSP, chipset, etc.) must send repeated commands to turn the LED on and off as is currently done when using normal I/O expanders like the NXP Semiconductors PCF8574 or PCA9554. Any bits not used for controlling the LEDs can be used for General Purpose parallel Input/Output (GPIO) expansion, which provides a simple solution when additional I/O is needed for ACPI power switches, sensors, push-buttons, alarm monitoring, fans, etc.
The Power-On Reset (POR) initializes the registers to their default state, causing the bits to be set HIGH (LED off).
Due to pin limitations, the PCA9533 is not featured with hardware address pins. The PCA9533/01 and the PCA9533/02 have different fixed I²C-bus addresses allowing operation of both on the same bus.