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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > LED Drivers

STMicroelectronics STP16CPC05PTR

Name: STP16CPC05PTR
Brand: STMicroelectronics
SKU: STP16CPC05PTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STP16CPC05PTR

Manufacturer:: STMicroelectronics

Category:: LED Drivers

Package:: 24-SSOP (0.154", 3.90mm Width)

Datasheet:: STP16CPC05PTR.pdf

Description:: IC LED DRVR LINEAR 100MA 24QSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

STP16CPC05PTR from STMicroelectronics is a 16-channel constant-current LED sink driver IC with serial-in/parallel-out shift register architecture, designed for LED panel displays. It delivers adjustable output current (5–100 mA per channel), supports 3.3 V microcontroller interfacing, operates up to 30 MHz clock frequency, and features balanced 100 ns rise/fall times for reduced system noise in high-density LED arrays.

For engineers reviewing the STP16CPC05PTR datasheet, STP16CPC05PTR pinout, STP16CPC05PTR application, or STP16CPC05PTR equivalent, key selection criteria include output current accuracy (±1.5% between bits), 20 V output voltage capability, thermal protection at 170 °C, SO-24/TSSOP24/QSOP-24 package compatibility, and R_EXT-based current programming.

Technical Context

The device integrates a 16-bit serial-in, parallel-out shift register cascaded with a 16-bit D-type storage latch, enabling precise data staging before output update. Its output stage uses sixteen matched regulated current sinks with independent ON/OFF control via serial data and latch enable (LE) signals.

Output current is set by an external resistor (R_EXT) connected to pin 23, allowing fine-tuned brightness control across all channels. The active-low output enable (OE) provides global blanking, while serial data out (SDO) supports daisy-chaining multiple devices without additional buffering.

Key Specifications

Parameter	Value and Actual Design Meaning
Output channels	16 independent constant-current sinks for LED anode-common configurations
Output current range	5–100 mA per channel, set by external R_EXT (200 Ω to 7.37 kΩ)
Current accuracy	±1.5% typical between bits at 25 °C, enabling uniform LED brightness
Max clock frequency	30 MHz - supports high-refresh-rate LED panels (e.g., >1 kHz frame rates)
Output voltage capability	20 V - allows driving up to 6–7 standard red/green LEDs in series per channel
Rise/fall time	108–150 ns (t_ON/t_OFF at V_DD = 3.3–5 V) - minimizes switching-induced ringing in parasitic-inductive layouts
Supply voltage	3.0–5.5 V - compatible with both 3.3 V and 5 V logic systems and mixed-voltage designs

Pinout & Package

STP16CPC05PTR is packaged in QSOP-24 (4.01 mm × 3.91 mm × 1.20 mm), featuring a compact footprint with exposed pad option variants for enhanced thermal performance. Pin 1 is marked by a dot or notch; the exposed pad (if present in other variants) must be soldered to PCB ground or isolated metal land per layout guidelines.

Pin/Terminal	Circuit Role	Design Meaning
1 GND	Ground reference	Primary return path for all internal circuits and output current sinks
2 SDI	Serial data input	Accepts 3.3 V–compatible CMOS-level data stream for shift register loading
3 CLK	Shift clock input	Drives internal shift register on rising edge; max 30 MHz operation
4 LE	Latch enable	Transfers shift register contents to output latches on rising edge; high = transparent mode
5–20 OUT0–OUT15	Constant-current outputs	Sink terminals delivering programmed current to LED cathodes; each rated for 100 mA continuous
21 OE	Output enable (active low)	Global blanking control - pulls all outputs OFF when high; enables PWM dimming synchronization
22 SDO	Serial data output	Daisy-chain interface - forwards shifted-out bit to next device's SDI
23 R-EXT	Current-setting resistor terminal	Connects external precision resistor to define I_OUT; sets full-scale current per channel
24 VDD	Positive supply	Power rail for logic and output stages; decoupling capacitor required near pin

Key Features

Feature	Design Value
Balanced output switching	100 ns typical t_ON/t_OFF symmetry reduces EMI and eliminates need for large bypass capacitors in noisy LED backlights
Adjustable current per channel	Single R_EXT sets identical current across all 16 outputs - simplifies BOM and calibration vs per-channel resistors
High-speed serial interface	30 MHz clock tolerance enables >1 Mbit/s data throughput - suitable for real-time video-driven LED signage
Thermal protection	170 °C junction shutdown prevents damage during overcurrent or poor heatsinking in enclosed displays
ESD robustness	2.5 kV HBM / 200 V MM rating - withstands handling and board-level transients in manufacturing and field service

Applications

LED Video Wall Panels

Industrial HMI Displays

Use Scenario: High-resolution indoor LED video walls requiring uniform brightness and fast refresh rates.

IC Role / Device Role / Timing Role: Constant-current sink driver controlling individual LED pixels in multiplexed matrix arrays.

Use Value: ±1.5% current matching ensures pixel-to-pixel luminance consistency; 30 MHz clock supports 1920×1080 @ 60 Hz with minimal latency.

Use Scenario: Operator interface panels in factory automation with ambient light variability and long operational life.

IC Role / Device Role / Timing Role: LED backlight driver for segmented status indicators and alphanumeric displays.

Use Value: 20 V output headroom accommodates aging LEDs with rising forward voltage; thermal shutdown prevents field failures.

Automotive Interior Lighting

Architectural LED Strips

Use Scenario: Dynamic mood lighting and customizable dashboard illumination meeting AEC-Q100 stress requirements.

IC Role / Device Role / Timing Role: Channelized current source for RGB LED clusters with synchronized PWM dimming.

Use Value: Active-low OE enables precise frame-synchronized blanking; -40 to +125 °C operating range covers automotive cabin extremes.

Use Scenario: Long linear LED installations (e.g., retail coves, signage) requiring consistent color and intensity over meters.

IC Role / Device Role / Timing Role: Distributed current regulation node in daisy-chained LED driver architecture.

Use Value: SDO/SDI cascade capability reduces controller GPIO count; R_EXT trimming compensates for PCB trace resistance variation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-channel constant-current LED driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLC59283RTJR	Higher max current (120 mA), but only ±3% inter-channel accuracy; requires separate V_REF for current setting	Preferred for higher-brightness outdoor signage where absolute current tolerance is less critical than peak drive capability	Select when needing >100 mA per channel and can accept looser current matching (±3% vs ±1.5%)
MAX6966ATL+T	I²C interface instead of SPI-like serial shift; integrated PWM dimming registers; lower max clock (10 MHz)	Better suited for microcontroller-constrained systems with limited GPIO but available I²C bus	Choose for simplified firmware integration and per-channel grayscale control - not for high-speed streaming

Compared with TLC59283RTJR and MAX6966ATL+T, STP16CPC05PTR offers superior current matching and faster data throughput, making it optimal for high-fidelity LED video applications where timing precision and uniformity outweigh interface flexibility.

Availability

STP16CPC05PTR is available at Aetrix Electronics and suitable for LED video wall panels, industrial HMI displays, automotive interior lighting, and architectural LED strips requiring stable component supply across multi-year production cycles.

Supply support for STP16CPC05PTR 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in power management, analog, MEMS, and microcontroller technologies for industrial, automotive, and consumer markets.

The STP16CPC05PTR belongs to ST's LED driver portfolio, engineered specifically for high-reliability, high-density LED display systems demanding precise current regulation and noise-immune digital control.

FAQ

What is the minimum recommended R_EXT value for STP16CPC05PTR?

The minimum recommended R_EXT is 200 Ω, which sets the maximum output current to 100 mA per channel at V_DD = 5 V. Using lower resistance risks exceeding absolute maximum ratings and may trigger thermal shutdown. Table 9 in DS6083 Rev 6 confirms 200 Ω yields 100 mA typical output under specified conditions.

Can STP16CPC05PTR drive LEDs with forward voltage above 5 V?

Yes - its 20 V output voltage capability allows series connection of multiple LEDs per channel. For example, with red LEDs (V_F ≈ 2.1 V), up to nine can be driven in series; with blue/white LEDs (V_F ≈ 3.2 V), up to six are supported. Output compliance is maintained as long as total V_F ≤ 20 V minus dropout voltage (e.g., 880 mV at 100 mA).

Is the exposed pad in TSSOP24 variants electrically connected internally?

No - the exposed pad in TSSOP24 (exposed pad) variants is not internally connected to any die node. Per DS6083 Section 8.4, it must be either electrically isolated or soldered to PCB ground for thermal conduction. ST explicitly states it is "electrically isolated" and serves only as a thermal path.

How does propagation delay vary with supply voltage?

t_PLH and t_PHL decrease with higher V_DD: at V_DD = 5 V, CLK→OUT propagation is 159–206 ns (typ/max), versus 175–227 ns at 3.3 V. This 10–15% reduction improves timing margin in high-speed cascaded configurations, especially when operating near the 30 MHz limit.

STP16CPC05PTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 24-SSOP (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Type:: Linear

Topology:: Shift Register

Internal Switch(s):: Yes

Number of Outputs:: 16

Voltage - Supply (Min):: 3V

Voltage - Supply (Max):: 5.5V

Voltage - Output:: 20V

Current - Output / Channel:: 100mA

Frequency:: 30MHz

Dimming:: -

Applications:: -

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 24-QSOP

STP16CPC05PTR FAQ

1.How can I place an order for STP16CPC05PTR through Aetrix?

Please submit a Request for Quotation (RFQ) for STP16CPC05PTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for STP16CPC05PTR reliable?

The price and inventory of STP16CPC05PTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STP16CPC05PTR is usually 5 days.

3.What payment methods are accepted for STP16CPC05PTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STP16CPC05PTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STP16CPC05PTR?

STP16CPC05PTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STP16CPC05PTR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for STP16CPC05PTR?

For technical support, including STP16CPC05PTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STP16CPC05PTR requirements.

6.How does Aetrix verify that STP16CPC05PTR is sourced from the original manufacturer or authorized distributors?

All STP16CPC05PTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STP16CPC05PTR meets industry standards.

7.What is the process for return or replacement of STP16CPC05PTR?

All STP16CPC05PTR units undergo pre-shipment inspection (PSI). If there is an issue with STP16CPC05PTR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The STP16CPC05PTR part is unused and in its original packaging.

Return procedure for STP16CPC05PTR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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