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MAX3232MPWREP

Texas Instruments · RS232 ICs · TSSOP-16

MAX3232MPWREP from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	C1+	passive	Positive terminal of charge-pump capacitor C1 (0.1 µF at VCC = 3.3 V ±0.3 V, 0.047 µF at 5 V ±0.5 V).
2	V+	power_out	Positive charge-pump output supply, abs max -0.3 to 7 V, with a capacitor C3 connected to VCC or GND.
3	C1−	passive	Negative terminal of charge-pump capacitor C1.
4	C2+	passive	Positive terminal of charge-pump capacitor C2 (0.1 µF at VCC = 3.3 V ±0.3 V, 0.33 µF at 5 V ±0.5 V).
5	C2−	passive	Negative terminal of charge-pump capacitor C2.
6	V−	power_out	Negative charge-pump output supply, abs max 0.3 to -7 V, with capacitor C4 to ground.
7	DOUT2	output	RS-232 driver 2 output with ±15 kV HBM ESD protection, swings at least ±5 V into 3 kΩ.
8	RIN2	input	RS-232 receiver 2 input with ±15 kV HBM ESD protection, input range ±25 V and 5 kΩ nominal input resistance.
9	ROUT2	output	Logic-level receiver 2 output, high level at least VCC-0.6 V at -1 mA and low level at most 0.4 V at 1.6 mA.
10	DIN2	input	Driver 2 logic input, 0 to 5.5 V, VIL max 0.8 V, VIH min 2 V at 3.3 V supply or 2.4 V at 5 V supply.
11	DIN1	input	Driver 1 logic input, 0 to 5.5 V, VIL max 0.8 V, VIH min 2 V at 3.3 V supply or 2.4 V at 5 V supply.
12	ROUT1	output	Logic-level receiver 1 output, high level at least VCC-0.6 V at -1 mA and low level at most 0.4 V at 1.6 mA.
13	RIN1	input	RS-232 receiver 1 input with ±15 kV HBM ESD protection, input range ±25 V and 5 kΩ nominal input resistance.
14	DOUT1	output	RS-232 driver 1 output with ±15 kV HBM ESD protection, swings at least ±5 V into 3 kΩ.
15	GND	power_in	Ground, reference for all voltages and protected by ±15 kV ESD pin to pin.
16	VCC	power_in	Supply voltage, 3 V to 5.5 V (3 to 3.6 V or 4.5 to 5.5 V), abs max -0.3 to 6 V, with 0.1 µF bypass capacitor.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	TSSOP-16
Category	Interface
Pins	16

CAD (KiCad official)

Symbol: MAX3232MPWREP
Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
3D model: TSSOP-16 (KiCad packages3D, STEP)
3D model files: max3232mpwrep-etched.step / max3232mpwrep-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max3232mpwrep.step / max3232mpwrep.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Texas Instruments datasheet (18 pp, sha256 30b23316fa57ed2d, retrieved 2026-10-05, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF