QFN4X4-24 Package Top View

TPT29555-QF8R

IC EXPANDER I2C 16-BIT GPIO 24-QFN

TPT29555-QF8R is an I2C 16-bit GPIO expander with 1.65V to 5.5V supply, 400kHz fast-mode support, interrupt output, and weak pull-ups, in QFN24 package, operating from -40°C to +85°C.Checked against the datasheet

See alternatives Ask AI FAEDatasheet PDF

All alternatives

View full report

Technical parameters

Datasheet-verified parameters

40 items

Parameter	Value and test conditions	Source
Package	24-Pin QFN
Operating Temperature Range	-40 to 85°C
RoHS	Green (RoHS compatible)
Halogen Free	Green (free of halogen substances)
Recommended Operating Voltage	1.65 V to 5.5 V
Absolute Maximum Supply Voltage	Min: -0.5 V, Max: 6 V
I2C Bus Speed	400 kHz Fast-mode
Standby Current (5V)	Typ: 3.0 μA at 5 V VCC
Standby Current (3.3V)	Typ: 1.5 μA at 3.3 V VCC
Supply Current (Active, 5.5V, 400kHz)	Typ: 16 μA, Max: 30 μA at VCC=5.5 V, fsCL=400 kHz
Supply Current (Active, 3.6V, 400kHz)	Typ: 9 μA, Max: 20 μA at VCC=3.6 V, fsCL=400 kHz
Supply Current (Active, 2.7V, 400kHz)	Typ: 6.2 μA, Max: 15 μA at VCC=2.7 V, fsCL=400 kHz
Supply Current (Active, 1.95V, 400kHz)	Typ: 4.2 μA, Max: 10 μA at VCC=1.95 V, fsCL=400 kHz
Standby Current (5.5V, Input Low)	Typ: 0.90 mA, Max: 1.5 mA at VCC=5.5 V, fsCL=0 kHz
Standby Current (3.6V, Input Low)	Typ: 0.48 mA, Max: 1.3 mA at VCC=3.6 V, fsCL=0 kHz
Standby Current (2.7V, Input Low)	Typ: 0.43 mA, Max: 1.0 mA at VCC=2.7 V, fsCL=0 kHz
Standby Current (1.95V, Input Low)	Typ: 0.31 mA, Max: 0.9 mA at VCC=1.95 V, fsCL=0 kHz
Standby Current (5.5V, Input High)	Typ: 2.64 μA, Max: 3.5 μA at VCC=5.5 V, fsCL=0 kHz
Standby Current (3.6V, Input High)	Typ: 1.55 μA, Max: 2.3 μA at VCC=3.6 V, fsCL=0 kHz
Standby Current (2.7V, Input High)	Typ: 1.07 μA, Max: 1.6 μA at VCC=2.7 V, fsCL=0 kHz
Standby Current (1.95V, Input High)	Typ: 0.68 μA, Max: 1.2 μA at VCC=1.95 V, fsCL=0 kHz
Power-on Reset Voltage (Rising)	Typ: 1.25 V, Max: 1.45 V
Power-on Reset Voltage (Falling)	Min: 0.8 V, Typ: 1.2 V
LOW-level Output Current (SDA)	Min: 3 mA at VOL=0.4 V, VCC=1.65 V to 5.5 V
LOW-level Output Current (INT)	Min: 3 mA at VOL=0.4 V, VCC=1.65 V to 5.5 V
LOW-level Output Current (P port, 1.65V)	Min: 8 mA at VOL=0.5 V, VCC=1.65 V
LOW-level Output Current (P port, 2.3V)	Min: 8 mA at VOL=0.5 V, VCC=2.3 V
LOW-level Output Current (P port, 3.0V)	Min: 8 mA at VOL=0.5 V, VCC=3.0 V
LOW-level Output Current (P port, 4.5V)	Min: 8 mA at VOL=0.5 V, VCC=4.5 V
HIGH-level Output Voltage (P port, 1.65V)	Min: 1.2 V at IOH=-8 mA, VCC=1.65 V
HIGH-level Output Voltage (P port, 2.3V)	Min: 1.8 V at IOH=-8 mA, VCC=2.3 V
HIGH-level Output Voltage (P port, 3.0V)	Min: 2.6 V at IOH=-8 mA, VCC=3.0 V
HIGH-level Output Voltage (P port, 4.75V)	Min: 4.1 V at IOH=-8 mA, VCC=4.75 V
Input Current (A0, A1, A2)	Min: -1 μA, Max: 1 μA at VCC=1.65 V to 5.5 V, VI=VCC or GND
Input Current (SCL, SDA)	Min: -1 μA, Max: 1 μA at VCC=1.65 V to 5.5 V, VI=VCC or GND
HIGH-level Input Current (P port)	Max: 1 μA at VI=VCC, VCC=1.65 V to 5.5 V
LOW-level Input Current (P port)	Max: -100 μA at VI=GND, VCC=1.65 V to 5.5 V
Input Capacitance	Typ: 3 pF at VI=VCC or GND, VCC=1.65 V to 5.5 V
Input/Output Capacitance	Typ: 3 pF at VI/O=VCC or GND, VCC=1.65 V to 5.5 V
Input/Output Capacitance (Max)	Typ: 5 pF at VI/O=VCC or GND, VCC=1.65 V to 5.5 V

All parameters (6)ExpandCollapse

Power
Standby current consumption	3.0 μA (typical at 5 V VCC)
Supply voltage	1.65 V to 5.5 V
Environment and package
Operating Temperature Range	-40 °C to 85 °C
Package	QFN4X4-24L
Other
ESD Protection	4000-V Human Body Model
I2C-bus speed	400 kHz

Pinout and package

Pin	Name	Function	Source
1		P0_0, P-port I/O, push-pull structure, configured as input at power on
2		P0_1, P-port I/O, push-pull structure, configured as input at power on
3		P0_2, P-port I/O, push-pull structure, configured as input at power on
4		P0_3, P-port I/O, push-pull structure, configured as input at power on
5		P0_4, P-port I/O, push-pull structure, configured as input at power on
6		P0_5, P-port I/O, push-pull structure, configured as input at power on
7		P0_6, P-port I/O, push-pull structure, configured as input at power on
8		P0_7, P-port I/O, push-pull structure, configured as input at power on
9		GND, Ground
10		P1_0, P-port I/O, push-pull structure, configured as input at power on
11		P1_1, P-port I/O, push-pull structure, configured as input at power on
12		P1_2, P-port I/O, push-pull structure, configured as input at power on
13		P1_3, P-port I/O, push-pull structure, configured as input at power on
14		P1_4, P-port I/O, push-pull structure, configured as input at power on
15		P1_5, P-port I/O, push-pull structure, configured as input at power on
16		P1_6, P-port I/O, push-pull structure, configured as input at power on
17		P1_7, P-port I/O, push-pull structure, configured as input at power on
18		A0, Address input 0, connect directly to VCC or ground
19		P1_7, P-port I/O, push-pull structure, configured as input at power on
20		P1_6, P-port I/O, push-pull structure, configured as input at power on
21		P1_5, P-port I/O, push-pull structure, configured as input at power on
22		INT, Interrupt output, connect to VCC through a pull-up resistor
23		A1, Address input 1, connect directly to VCC or ground
24		A2, Address input 2, connect directly to VCC or ground

Documents

DatasheetDatasheet · 1.4 MB · 2026-10-26

Open document center

Datasheet-verified content is extracted by AI from the manufacturer datasheet. Click a page number to view the original.