TPD4S012DRYR - 4-Ch USB ESD Protection, 15V VBUS | TI
部品番号: TPD4S012DRYR ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0.55 | $0.55 |
| 10 | $0.49 | $4.90 |
| 100 | $0.37 | $37.00 |
| 500 | $0.3 | $150.00 |
| 1,000 | $0.26 | $260.00 |
TPD4S012DRYR 概要
An ESD protection diode array is a type of transient voltage suppressor (TVS) within the broader circuit-protection hierarchy: surge protector -> TVS diode -> ESD protection array. Its role is to clamp fast electrostatic-discharge transients before they reach sensitive transceiver silicon, diverting charge to ground or to the supply rail while remaining invisible to the high-speed signal during normal operation.
Key differentiating features include: (1) 0.8 pF typical line capacitance, which preserves USB 2.0 high-speed eye diagrams at 480 Mbps with minimal insertion loss; (2) 15-V VBUS tolerance, allowing the power clamp to survive charger voltages and OTG VBUS events that would destroy ordinary 5.5-V clamps on data lines; (3) 3-A (8/20 us) Ipp clamp capability on the power path; and (4) a flow-through package that enables clean differential D+/D- routing without stubs.
The device uses snapback-free directional TVS cells on D+/D- and a dedicated zener-based clamp for VBUS, achieving sub-nanosecond response to ESD events per IEC 61000-4-2 testing. Typical applications are smartphone and tablet USB ports, portable charger power paths, USB OTG connectors, and any downstream USB transceiver exposed to user-handled connectors.
Design consideration: keep the TPD4S012 within a few millimeters of the connector and place the ground connection to a low-impedance plane; ESD protection effectiveness degrades rapidly with trace inductance. Prices as of 2026-08-29.
ドロップイン代替品: TPD4S012DRYR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
TPD6E001
📋 参考代替品（カタログ未掲載）
TPD4E05U06
📋 参考代替品（カタログ未掲載）
TPD4S012DRYR 仕様
| チャネル数 | 4 (D+, D-, VBUS, GND power clamp) |
| ESD Rating (IEC 61000-4-2) | ±10 kV |
| VBUS Tolerance | 15 V |
| Line Capacitance | 0.8 pF (typical) |
| Ipp Peak Current | 3 A (8/20 us) |
| Data Line Standoff Voltage | 5.5 V |
| Application Interface | USB-HS / USB OTG / USB Charger |
| パッケージ | 6-SON (1.45 mm x 1 mm) |
| 実装タイプ | Surface Mount |
| Response Time | Sub-nanosecond |
| Standard | IEC 61000-4-2 system-level ESD |
| RoHS ステータス | Compliant |
TPD4S012DRYR ピン構成
| ピン 1 | D+ — USB D+ line ESD protection channel |
| ピン 2 | GND — Ground reference for ESD discharge path |
| ピン 3 | VBUS — VBUS power line with 15-V tolerant zener clamp |
| ピン 4 | D- — USB D- line ESD protection channel |
| ピン 5 | NC/GND — [DATA_NEEDED: pin 5 function per datasheet] |
| ピン 6 | NC/GND — [DATA_NEEDED: pin 6 function per datasheet] |
主な用途
TPD4S012DRYR の用途: 6 件s: USB Charger Port Protection, Smartphone and Tablet USB Connectors, USB OTG Interfaces, Portable and Wearable Device I/O, Industrial USB Host Ports, Automotive Infotainment USB Ports.
USB Charger Port Protection
The TPD4S012 is purpose-built for USB charger interfaces: its dedicated VBUS power clamp tolerates 15 V, surviving elevated charger voltages and OTG VBUS transients that would destroy standard 5.5-V TVS diodes. Placed at the connector with short traces, it clamps ±10 kV IEC 61000-4-2 strikes on D+, D-, and VBUS, diverting up to 3 A (8/20 us) surge current. The 0.8 pF capacitance keeps high-speed signaling intact when the port also serves data charging, and the flow-through package simplifies connector-to-IC routing.
おすすめ
Smartphone and Tablet USB Connectors
User-handled USB connectors on mobile devices are prime ESD entry points. The TPD4S012's 1.45 mm x 1 mm 6-SON footprint fits the tight connector clearance of smartphones and tablets, while its 0.8 pF line capacitance preserves USB 2.0 high-speed (480 Mbps) eye diagrams. According to the TI datasheet, the ±10 kV IEC 61000-4-2 rating handles direct contact discharge at the connector shell. Its sub-nanosecond response clamps transients before they reach the application processor's USB PHY, protecting expensive SoCs from field failures.
おすすめ
USB OTG Interfaces
USB On-The-Go designs switch the VBUS role between source and sink, exposing the rail to both host and peripheral voltage events. The TPD4S012 addresses this with 15-V tolerance on VBUS and a zener-based power clamp rated for 3 A (8/20 us) Ipp, according to the TI datasheet. Data lines D+ and D- receive directional TVS cells with 0.8 pF loading, so OTG transfers at high speed remain compliant. The small flow-through package allows placement directly at the OTG connector, minimizing clamp inductance and maximizing ESD diversion effectiveness.
おすすめ
Portable and Wearable Device I/O
Portable electronics with exposed user connectors need ESD protection that consumes negligible board area. The TPD4S012 occupies roughly 1.5 mm squared, one of the smallest 4-channel USB protection footprints available. Its 0.8 pF capacitance is invisible to low- and full-speed signaling, and its IEC 61000-4-2 ±10 kV capability protects against human-body contact events per the TI datasheet. For wearables, the flow-through routing suits short connector-to-PHY paths, and the 15-V VBUS tolerance covers accessory charger scenarios common in consumer ecosystems.
おすすめ
Industrial USB Host Ports
Industrial equipment with exposed USB host ports faces harsher electrostatic environments than consumer products. The TPD4S012 provides IEC 61000-4-2 system-level protection at ±10 kV on all USB lines per the TI datasheet, shielding host controllers from operator-induced discharge at the connector. The 3-A power clamp on VBUS absorbs transients coupled onto the 5-V rail from cable handling. The 0.8 pF capacitance maintains USB 2.0 high-speed compliance over typical cable lengths, and the compact 6-SON package fits dense industrial I/O modules.
おすすめ
Automotive Infotainment USB Ports
Automotive head units and infotainment modules expose USB ports to passengers and service technicians, creating frequent ESD events. The TPD4S012 clamps ±10 kV IEC 61000-4-2 strikes at the connector, while its 15-V VBUS tolerance handles transient conditions on vehicle USB supply lines during load-dump-adjacent events. According to the TI datasheet, the 0.8 pF capacitance preserves high-speed data for smartphone projection systems such as CarPlay and Android Auto. The flow-through package supports clean differential routing in the constrained connector area of instrument clusters and center consoles.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: TPD4S012DRYR — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | TPD6E001 | TPD4E05U06 |
|---|---|---|---|
| Package | 6-SON (1.45 mm x 1 mm) | USON-6 (1.45 mm x 1 mm) - similar | USON-6 (0.45 mm x 1 mm) - different |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Channels | 4 (D+, D-, VBUS clamp) | 6 (data lines only) | 4 (data lines only) |
| VBUS Tolerance | 15 V | No VBUS zener clamp | No VBUS clamp |
| ESD Rating | ±10 kV IEC 61000-4-2 | ±15 kV (per TI product folder) | ±15 kV (per TI product folder) |
| Target Interface | USB-HS / OTG / Charger | Data-line-only ESD | Data-line-only ESD |
主な差別化要因
- Integrated VBUS zener clamp with 15-V tolerance （vs TPD6E001)
- Single-device 4-channel USB protection （vs TPD4E05U06)
- Low 0.8 pF capacitance with flow-through routing （vs TPD6E001)
設計ノート
Place the TPD4S012 within a few millimeters of the USB connector on the D+, D-, and VBUS nets. Every millimeter of trace adds series inductance (roughly 1 nH/mm) that degrades clamp effectiveness during an IEC 61000-4-2 event. Use the flow-through routing: connector -> TPD4S012 -> transceiver, with no stubs on the differential pair.
Do not substitute TPD6E001 for TPD4S012 in charger/OTG designs: TPD6E001 lacks the VBUS zener clamp, leaving the power rail unprotected against 15-V events. Conversely, in data-line-only designs the TPD4E05U06 offers lower 0.45 pF capacitance. Confirm the VBUS clamp requirement before any BOM substitution.
Connect the TPD4S012 ground pin to a solid ground plane with at least two vias placed immediately adjacent to the pad. The ESD discharge current of several amperes during a ±10 kV strike must return to ground with minimal impedance; a thin trace or single via will raise clamping voltage and can expose the downstream USB PHY to damage.
コンプライアンス情報
RoHS compliant and lead-free per DigiKey/Mouser listings. AEC-Q100 qualification not indicated for this part in provided data.
