Texas Instruments TLC59213AIPW

Overview

TLC59213AIPW from Texas Instruments is an 8-bit parallel-input Darlington source driver with latch, designed for high-current LED, relay, and solenoid driving in industrial displays and printer heads. It delivers up to –350 mA per channel (TSSOP package, 10% duty cycle), features TTL/CMOS-compatible inputs, 13.2 V collector-emitter sustaining voltage (V_CE(sus)), and operates from –40°C to 85°C.

For engineers reviewing the TLC59213AIPW datasheet, TLC59213AIPW pinout, TLC59213AIPW application, or TLC59213AIPW equivalent, this page provides verified electrical specifications, functional timing behavior, real-world drive capability under thermal constraints, and validated alternative sourcing options for high-reliability embedded control systems.

Technical Context

The TLC59213AIPW implements eight independent positive-edge-triggered D-type flip-flops, each controlling a Darlington transistor output stage with integrated clamp diodes to ground. Its CLR input forces all outputs OFF asynchronously, while CLK synchronizes data latching from D1–D8 to Y1–Y8.

It operates as a current-source driver: outputs sink load current through external loads tied between V_CC and Y_n, with V_CE(sus) = 13.2 V enabling safe operation with inductive loads like relays and print-head solenoids. Input hold time (t_h) is enhanced to 19 ns (vs. 15 ns on TLC59213) at V_CC = 10.8–13.2 V and T_A = 0–70°C.

Key Specifications

Pinout & Package

TSSOP-20 package (6.50 mm × 4.40 mm, 1.2 mm max height), lead-free NIPDAU finish, MSL Level-1, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Darlington source driver applications.

Compared with TLC59213IPWR, the TLC59213AIPW offers improved timing margin for high-speed MCU interfacing; compared with ULN2803ADWR, it integrates latching and clock control-reducing external component count but requiring precise CLK coordination in the system design.

Availability

TLC59213AIPW is available at Aetrix Electronics and suitable for industrial HMI displays, printer head controllers, relay I/O modules, and resistor matrix scanners requiring stable component supply across extended production lifecycles.

Supply support for TLC59213AIPW includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of expertise in industrial-grade driver ICs.

The TLC59213A product line targets high-reliability current-source driving in electro-mechanical systems-designed specifically for LED signage, printer hardware, and programmable logic controller (PLC) output stages where latch control and inductive load handling are essential.

FAQ

What is the maximum continuous output current per channel for TLC59213AIPW?

The TLC59213AIPW supports up to –350 mA per channel under 10% duty cycle conditions in the TSSOP package at T_A = 85°C. This value decreases with higher duty cycles or ambient temperatures-see Figure 1 in the SLVS867B datasheet for derating curves. The device's thermal design and PCB copper area directly impact sustained current capability, so proper layout is essential for achieving rated performance in the TLC59213AIPW.

Does TLC59213AIPW include internal protection diodes?

Yes, the TLC59213AIPW integrates clamp diodes from each Y_n output to GND. These diodes protect the Darlington transistors from inductive kickback when driving relays, solenoids, or other inductive loads-eliminating the need for external flyback diodes in most applications. This feature is explicitly confirmed in the "Description" section of the SLVS867B datasheet and applies directly to the TLC59213AIPW variant.

How does the hold time (t_h) of TLC59213AIPW differ from TLC59213IPWR?

The TLC59213AIPW specifies a minimum hold time (t_h) of 19 ns at V_CC = 10.8–13.2 V and T_A = 0–70°C, whereas the TLC59213IPWR has 15 ns under the same conditions. This 4 ns improvement enhances timing margin for high-speed microcontroller interfaces. Both parts share identical pinout, package, and all other electrical characteristics-only t_h differs, as stated in the "Features" section of the SLVS867B datasheet for the TLC59213AIPW.

Can TLC59213AIPW drive 12-V relays directly?

Yes, the TLC59213AIPW can drive 12-V relays directly: its V_CE(sus) rating is 13.2 V, providing 1.2 V margin above nominal 12-V supply rails, and its integrated clamp diodes suppress inductive transients. Relay coil resistance must be selected to limit current within the TLC59213AIPW's per-channel rating (e.g., ≥34 Ω for 350 mA). Always verify relay dropout voltage and ensure GND return paths are robust to avoid latch-up in the TLC59213AIPW.

What is the recommended decoupling for TLC59213AIPW?

TI recommends a 100-nF ceramic capacitor placed as close as possible to the V_CC pin (Pin 20) and GND (Pin 11) of the TLC59213AIPW, with short, wide traces. For systems with high peak currents or noisy supplies, add a bulk 4.7-µF tantalum or aluminum electrolytic capacitor nearby. This decoupling strategy minimizes supply rail disturbance during output switching transitions and ensures stable logic operation-critical for reliable CLK and CLR signal integrity in the TLC59213AIPW.