TPD4E001DBVR - 4-Channel 1.5pF ESD Protection | TI
料号： TPD4E001DBVR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.14 | $0.14 |
| 10 | $0.11 | $1.10 |
| 100 | $0.08 | $8.00 |
| 500 | $0.06 | $30.00 |
| 1,000 | $0.05 | $50.00 |
TPD4E001DBVR 概述
An ESD protection diode array is a type of TVS (transient voltage suppressor) device that clamps electrostatic-discharge transients on data lines before they can damage sensitive downstream ICs. Within the signal-chain protection hierarchy, it sits between the connector and the transceiver, forming a key element of a system-level circuit-protection strategy alongside fuses, varistors, and surge suppressors.
Key features include four bidirectional ESD clamp channels in one compact package, ultra-low 1.5 pF channel capacitance that preserves signal integrity on 480 Mbps USB 2.0 lines, 1 nA maximum leakage current for minimal power impact, and a VCC pin that enables flow-through layout and reference clamping. The device meets IEC 61000-4-2 Level 4, the most severe international ESD test level.
The TPD4E001 architecture uses TVS diode clamping elements from each IO pin to both VCC and GND rails, steering strike current away from the protected IC while keeping the clamping voltage low. The low junction capacitance is achieved through a proprietary diode structure, allowing the array to be placed directly on the differential pair without significant eye-diagram degradation.
Typical applications include USB 2.0 port protection, Ethernet and other high-speed data lines, and general-purpose IO protection in consumer, industrial, and connectivity products where board space is constrained.
Design consideration: place the TPD4E001 as close to the connector as possible so the strike current is clamped before it propagates onto the PCB traces; the VCC pin should be tied to the protected rail with local decoupling.
This page synthesizes distributor listings, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
直接替换替代料： TPD4E001DBVR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： TPD4E001DBVR （相同外形与封装尺寸） ——差异在于 Package, RoHS Status, Polarity, MSL Level, MSL Rating.
快速对比工具——选择替代料号进行并排对比：
TPD4E001QDBVRQ1
✅ 直接替换📋 参考替代料（不在目录中）
TPD4E1U06DBVR
✅ 直接替换✓ 有现货
$0.09 / 个
查看数据手册 →TPD4E1U06DCKR
✅ 直接替换✓ 有现货
$0.16 / 个
查看数据手册 →TPD4E001DBVT
✅ 直接替换📋 参考替代料（不在目录中）
TPD4E001DBVR
✅ 直接替换✓ 有现货
$0.05 / 个
查看数据手册 →TPD4E001DBVR 规格参数
| 通道数 | 4 |
| Channel Configuration | Bidirectional ESD clamp array |
| IO Capacitance | 1.5 pF per channel |
| Working / Supply Voltage | 5.5 V |
| Maximum Leakage Current | 1 nA |
| ESD Rating - IEC 61000-4-2 Contact | +/-8 kV |
| ESD Rating - IEC 61000-4-2 Air | +/-15 kV |
| IEC 61000-4-2 Standard Level | Level 4 |
| Device Type | TVS / ESD protection diode array |
| Polarization | 4-channel array, bidirectional |
| 封装 | SOT-23-6 (DBV) |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel |
| Typical Application | USB 2.0 and high-speed data line protection |
| RoHS 状态 | Compliant |
| MSL Rating | MSL 3 |
TPD4E001DBVR 引脚配置
| 引脚 1 | IO1 — ESD protected channel 1 (bidirectional clamp to VCC and GND) |
| 引脚 2 | GND — Ground return for clamp current |
| 引脚 3 | IO2 — ESD protected channel 2 (bidirectional clamp to VCC and GND) |
| 引脚 4 | IO3 — ESD protected channel 3 (bidirectional clamp to VCC and GND) |
| 引脚 5 | VCC — Upper clamp rail, tie to protected supply (max 5.5 V) |
| 引脚 6 | IO4 — ESD protected channel 4 (bidirectional clamp to VCC and GND) |
典型应用
TPD4E001DBVR 适用于 6 应用s: USB 2.0 Port Protection, Smart Meter and Industrial Communication Ports, Consumer Electronics External Connectors, Automotive Connectivity Modules, Set-Top Box and Networking Equipment HDMI-Adjacent and Control Ports, Development Boards and Programming Adapters.
USB 2.0 Port Protection
The TPD4E001DBVR is purpose-built for USB 2.0 connector protection. TI explicitly describes the device as a quad ESD protection array with a VCC pin for USB 2.0 applications. Its 1.5 pF per-channel capacitance is low enough to preserve 480 Mbps high-speed signaling, and 1 nA leakage ensures negligible bus-current impact. In a typical circuit, D+ and D- route through two of the four IO channels immediately after the connector, VCC ties to the 5 V bus rail, and the remaining channels guard ID/VBUS-side lines. Placement within a few millimeters of the connector is essential so that IEC 61000-4-2 Level 4 strikes (+/-8 kV contact) are clamped before reaching the USB transceiver. Compared with discrete diodes, the integrated array also guarantees matched capacitance on both differential lines, minimizing skew.
推荐
Smart Meter and Industrial Communication Ports
Industrial field buses and metering interfaces expose connectors to human touch and cable handling, making system-level ESD robustness a certification requirement rather than an option. The TPD4E001DBVR withstands IEC 61000-4-2 Level 4 strikes (+/-8 kV contact, +/-15 kV air) while adding only 1.5 pF per line, so it protects RS-485, Modbus, and service UART lines without noticeable edge degradation at typical industrial data rates. Its 5.5 V working voltage covers 5 V and 3.3 V logic rails, and the 1 nA leakage suits battery-backed meters where every microamp is budgeted. The flow-through SOT-23-6 pinout lets engineers route two line pairs straight through the package, keeping the protection loop short on dense terminal-area layouts. For designs targeting automotive or harsher environments, the pin-identical TPD4E001QDBVRQ1 offers AEC-Q100 qualification on the same footprint.
推荐
Consumer Electronics External Connectors
Set-top boxes, cameras, wearables, and handheld devices present numerous externally accessible connectors - USB, headphone jacks, programming headers - where ESD strikes are routine during plugging. The TPD4E001DBVR consolidates four clamp channels in one SOT-23-6 package, reducing BOM count and board area versus four discrete TVS diodes, which matters in space-constrained consumer PCBs. The 1.5 pF capacitance keeps high-speed lines compliant, and the low 1 nA leakage preserves standby battery life in always-connected products. Because the device is RoHS compliant and MSL 3 rated, it flows through standard consumer reflow assembly without special handling. Designers should still verify clamping behavior at the system level per IEC 61000-4-2, and for next-generation products needing more margin, the pin-compatible TPD4E1U06DBVR offers 0.4 pF and higher immunity on the identical footprint.
推荐
Automotive Connectivity Modules
In-vehicle USB charge ports, infotainment service connectors, and telematics debug headers face both ESD and cable-pump transients, and automotive platforms require AEC-Q100-qualified components. The TPD4E001QDBVRQ1 variant - the same die in the same SOT-23-6 (DBV) package as the TPD4E001DBVR - carries automotive qualification with identical 1.5 pF capacitance, 5.5 V rating, and +/-8 kV IEC 61000-4-2 contact performance, making it a zero-layout-change choice for automotive designs. The four-channel array protects a full USB 2.0 pair plus auxiliaries in a single pass, and the 1 nA maximum leakage suits modules that remain powered in key-off state. Board designers should still place the array at the connector edge and provide a short, low-inductance return to chassis ground to keep effective clamping voltage low during high-current strikes.
推荐
Set-Top Box and Networking Equipment HDMI-Adjacent and Control Ports
Networking and entertainment hardware exposes many low-speed control lines - IR receivers, front-panel buttons, UART service ports, and status headers - that accumulate ESD exposure over the product lifetime. The TPD4E001DBVR provides an economical four-line cluster of clamps: with only 1.5 pF per channel it can even sit on moderate-speed lines such as 100 Mbps MDI auxiliaries, while its 1 nA leakage keeps idle power negligible across the many instances typically deployed per board. Its 5.5 V working voltage covers both 3.3 V and 5 V control domains, letting one part number standardize protection across several connectors and simplify procurement. Layout practice: group the array near each connector, keep the ground return via short, and avoid routing protected traces under high-speed switching regions where coupled noise can re-enter after clamping.
推荐
Development Boards and Programming Adapters
Development boards and debug probes endure far more connect/disconnect cycles than production hardware, exposing SWD/JTAG headers, USB device ports, and expansion pins to repeated ESD events. The TPD4E001DBVR is an ideal fit because it protects four lines per package at negligible cost and essentially zero capacitance penalty for moderate-speed debug traffic, so signal integrity on SWDCLK and SWDIO is unaffected. The 5.5 V rating tolerates 5 V-tolerant header domains, and the SOT-23-6 footprint fits the tight connector areas typical of evaluation hardware. Because the array is RoHS compliant and widely stocked at distributors, it is easy to standardize across an entire board family. For new designs, consider the pin-compatible TPD4E1U06DBVR with 0.4 pF capacitance for the same footprint if higher-speed interfaces (USB 2.0 HS testing, Ethernet) are planned.
推荐
推荐产品汇总
工程参考数据： TPD4E001DBVR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | TPD4E001QDBVRQ1 | TPD4E1U06DBVR | TPD4E1U06DCKR | TPD4E001DBVT |
|---|---|---|---|---|---|
| Package | SOT-23-6 (DBV) | SOT-23-6 (DBV) - same | SOT-23-6 (DBV) - same | SOT-23-6 (DBV) - same | SOT-23-6 (DBV) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Channels | 4 | 4 | 4 | 4 | 4 |
| IO Capacitance | 1.5 pF | 1.5 pF | 0.4 pF | 0.4 pF | 1.5 pF |
| Working Voltage | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| IEC 61000-4-2 Contact ESD | +/-8 kV | +/-8 kV | Higher than TPD4E001 (per TI product page) | Higher than TPD4E001 (per TI product page) | +/-8 kV |
| AEC-Q100 Qualified | No | Yes | No (standard grade) | No (standard grade) | No |
| Input Capacitor Requirement | Yes (recommended) | Yes (recommended) | Not required (per TI product page) | Not required (per TI product page) | Yes (recommended) |
关键差异点
- Lowest cost per protected line in the TI 4-channel family （对比 TPD4E1U06DBVR)
- Ultra-low leakage for battery-powered designs （对比 Generic discrete TVS diodes)
- Automotive drop-in path on identical footprint （对比 TPD4E001QDBVRQ1)
设计说明
Place the TPD4E001DBVR within a few millimeters of the connector, before any series elements or the protected IC. During an IEC 61000-4-2 contact strike the current edge is on the order of a nanosecond; every extra millimeter of trace inductance (roughly 1 nH/mm) raises the voltage the downstream IC sees. Keep the path from IO pin through the array to the GND pin as short and wide as possible, and use a via directly adjacent to the GND pin to the ground plane.
Tie the VCC pin to the rail being protected (3.3 V or 5 V, max 5.5 V) and provide local decoupling close to pin 5. On positive ESD strikes, clamp current flows into the VCC rail; without local capacitance that rail can be pumped upward and disturb other loads. TI's TPD4E1U06 successor relaxes this requirement, but on the TPD4E001DBVR the input capacitor is part of the recommended circuit and should not be omitted in ESD-hard designs.
At 1.5 pF per channel, the TPD4E001DBVR adds modest loading that is acceptable for USB 2.0 full-speed and many 3.3 V control lines, but every pF counts on high-speed differential pairs. Estimated: two channels on a USB 2.0 HS pair add ~1.5 pF each to D+/D-; verify compliance with an eye-diagram test if your trace length exceeds ~100 mm. If margin is thin, drop in the pin-compatible TPD4E1U06DBVR (0.4 pF) without changing the PCB.
合规信息
RoHS compliant and MSL 3 per PartGenie compliance data. Not AEC-Q100 qualified - use TPD4E001QDBVRQ1 for automotive. REACH, halogen-free, and conflict-minerals status not stated in provided data.
