PCA9539PW,118
The PCA9539PW,118 is an electronic component. View the full PCA9539PW,118 datasheet below including specifications and datasheet sections.
Overview
Part: PCA9539 — Nexperia
Type: I²C and SMBus Low-Power I/O Expander
Description: A 16-bit I²C and SMBus low-power I/O expander with interrupt output and reset pin, operating from 2.3 V to 5.5 V, featuring 5 V tolerant I/Os and 400 kHz Fast-mode I²C-bus.
Operating Conditions:
- Supply voltage: 2.3 V to 5.5 V
- Operating temperature: -40 °C to +85 °C
- I²C-bus speed: 400 kHz (Fast-mode)
Absolute Maximum Ratings:
- Max I/O voltage: 5.5 V (5 V tolerant I/Os)
- Max output drive capability: 25 mA (for directly driving LEDs)
- Latch-up performance: exceeds 100 mA per JESD78, Class II
Key Specs:
- Number of I/O pins: 16
- Standby current consumption: 1 μA (maximum)
- SCL and SDA input hysteresis (Vhys): 0.10 × VCC (typical)
- ESD protection HBM: exceeds 2000 V (ANSI/ESDA/JEDEC JS-001 class 2)
- ESD protection CDM: exceeds 1000 V (ANSI/ESDA/JEDEC JS-002 class C3)
- I/O default state at power-up: Inputs
- I²C slave addresses: 4 possible addresses (configurable via A0, A1 pins)
Features:
- I²C-bus to parallel port expander
- Ultra low standby current consumption
- Schmitt-trigger action on SCL and SDA inputs for noise immunity
- Noise filter on SCL and SDA inputs
- Open-drain active LOW interrupt output (INT)
- Reset input (RESET) for resetting to default values
- Internal power-on reset
- No glitch on power-up
- Latched outputs with 25 mA drive maximum capability
- Configuration registers for Input, Output, Polarity Inversion
Applications:
- ACPI power switches
- Sensors
- Push buttons
- LEDs
- Fan control
Package:
- TSSOP24 (plastic thin shrink small outline package; 24 leads; body width 4.4 mm)
Features
- I²C-bus to parallel port expander
- Operating power supply voltage range of 2.3 V to 5.5 V
- Ultra low standby current consumption:
- 1 μA (maximum)
- Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inputs
- Vhys = 0.10 × VCC (typical)
- Noise filter on SCL and SDA inputs
- 5 V tolerant I/Os
- 16 I/O pins which power up configured in input state
- Open-drain active LOW interrupt output (INT)
- Reset input (RESET) for resetting PCA9539 to default values
- 400 kHz Fast-mode I²C-bus
- Internal power-on reset
- No glitch on power-up
- Latched outputs with 25 mA drive maximum capability for directly driving LEDs
- Latch-up performance exceeds 100 mA per JESD78, Class II
- ESD protection:
- HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
- CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
- TSSOP24 package: plastic thin shrink small outline package; 24 leads; body width 4.4 mm
- Specified from -40 °C to +85 °C
Low-voltage 16-bit I²C and SMBus low-power I/O expander with interrupt output, reset pin and configuration registers
Pin Configuration
Table 2. Pin description
| Symbol | Pin | Type | Description |
|---|---|---|---|
| INT | 1 | O | Interrupt output. Connect to V CC through a pull-up resistor |
| A1 | 2 | I | Address input 1. Connect directly to V CC or GND |
| RESET | 3 | I | Active Low reset input. Connect to V CC through a pull-up resistor if no active connection is used. |
| P0_0 [1] | 4 | I/O | Parallel port I/O. Push-pull driver. At power on, P0_0 is configured as input |
| P0_1 [1] | 5 | I/O | Parallel port I/O. Push-pull driver. At power on, P0_1 is configured as input |
| P0_2 [1] | 6 | I/O | Parallel port I/O. Push-pull driver. At power on, P0_2 is configured as input |
| P0_3 [1] | 7 | I/O | Parallel port I/O. Push-pull driver. At power on, P0_3 is configured as input |
| P0_4 [1] | 8 | I/O | Parallel port I/O. Push-pull driver. At power on, P0_4 is configured as input |
| P0_5 [1] | 9 | I/O | Parallel port I/O. Push-pull driver. At power on, P0_5 is configured as input |
| P0_6 [1] | 10 | I/O | Parallel port I/O. Push-pull driver. At power on, P0_6 is configured as input |
| P0_7 [1] | 11 | I/O | Parallel port I/O. Push-pull driver. At power on, P0_7 is configured as input |
| GND | 12 | power | Ground |
| P1_0 [2] | 13 | I/O | Parallel port I/O. Push-pull driver. At power on, P1_0 is configured as input |
| P1_1 [2] | 14 | I/O | Parallel port I/O. Push-pull driver. At power on, P1_1 is configured as input |
| P1_2 [2] | 15 | I/O | Parallel port I/O. Push-pull driver. At power on, P1_2 is configured as input |
| P1_3 [2] | 16 | I/O | Parallel port I/O. Push-pull driver. At power on, P1_3 is configured as input |
| P1_4 [2] | 17 | I/O | Parallel port I/O. Push-pull driver. At power on, P1_4 is configured as input |
| P1_5 [2] | 18 | I/O | Parallel port I/O. Push-pull driver. At power on, P1_5 is configured as input |
| P1_6 [2] | 19 | I/O | Parallel port I/O. Push-pull driver. At power on, P1_6 is configured as input |
| P1_7 [2] | 20 | I/O | Parallel port I/O. Push-pull driver. At power on, P1_7 is configured as input |
Table 2. Pin description
Thermal Information
| Symbol | Parameter | Conditions | Max | Unit | |
|---|---|---|---|---|---|
| Z th(j-a) | transient thermal impedance from junction to ambient | TSSOP24 package | [1] | 100 | K/W |
Low-voltage 16-bit I²C and SMBus low-power I/O expander with interrupt output, reset pin and configuration registers
Package Information
| UNIT | A max. | A 1 | A 2 | A 3 | b p | c | D (1) | E (2) | e | H E | L | L p | Q | v | w | y | (1) Z | θ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 1.1 | 0.15 0.05 | 0.95 0.80 | 0.25 | 0.30 0.19 | 0.2 0.1 | 7.9 7.7 | 4.5 4.3 | 0.65 | 6.6 6.2 | 1 | 0.75 0.50 | 0.4 0.3 | 0.2 | 0.13 | 0.1 | 0.5 0.2 | 8 0 o o |
| OUTLINE VERSION | REFERENCES | REFERENCES | REFERENCES | EUROPEAN | ISSUE DATE |
|---|---|---|---|---|---|
| IEC | JEDEC | JEITA | PROJECTION | ||
| SOT355-1 | MO-153 | 99-12-27 03-02-19 |
Fig. 27. Package outline SOT355-1 (TSSOP24)
Low-voltage 16-bit I²C and SMBus low-power I/O expander with interrupt output, reset pin and configuration registers
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