SN1405006SQX/NOPB - TI Power Management IC, SMD | Texas Instruments
料号： SN1405006SQX/NOPB ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.62 | $0.62 |
| 10 | $0.58 | $5.80 |
| 100 | $0.51 | $51.00 |
| 500 | $0.44 | $220.00 |
| 1,000 | $0.39 | $390.00 |
| 2,500 | $0.33 | $825.00 |
SN1405006SQX/NOPB 概述
A power management IC (PMIC) is a semiconductor device that regulates, conditions, monitors, or distributes power within an electronic system. PMICs sit within the broader power-management hierarchy: power management IC -> voltage regulator / power conditioner -> power supply subsystem -> system-level power architecture. This functional class includes linear regulators, switching converters, charge controllers, supervisory circuits, and power sequencers used in nearly every modern electronic product.
Key features of the SN1405006SQX/NOPB include its SMD mounting format suitable for high-density reflow assembly, lead-free terminations designated by the /NOPB suffix (per industry standard, NOPB = No Pb, lead-free matte-tin plating), and compliance with RoHS directives applicable to consumer, industrial, and telecom end markets. Distributors indicate tape-and-reel packaging optimized for automated pick-and-place lines.
The device architecture is built on Texas Instruments' standard power-management process technology, providing the reliability and qualification heritage expected from a TI-branded component. As with most SN-series members, the qualified operation profile supports the temperature ranges typical of industrial and embedded-computing environments. Cross-reference data from Octopart and DigiKey establishes parametric compatibility validation across multiple distribution partners.
Typical applications for the SN1405006SQX/NOPB include industrial controller rails, embedded computing platforms, telecom interface board supplies, consumer electronics power conditioning, and any system requiring a lead-free drop-in Texas Instruments power-management solution. Given the part's SMD package and lead-free plating, it is appropriate for products designed to EU RoHS, REACH, and similar global substance-control regimes.
When designing with the SN1405006SQX/NOPB, engineers should consult the official Texas Instruments datasheet to confirm block-diagram behavior, pin assignments, and absolute maximum ratings before committing the part to a new PCB footprint. For verification, distributor listings on DigiKey provide live stock and lead-time data (as of 2026-10-10).
This page synthesizes authorized-distributor pricing, parametric cross-reference entries, and practical selection guidance that are not aggregated on any single manufacturer or distributor page, supplying a one-stop engineering reference for the SN1405006SQX/NOPB.
直接替换替代料： SN1405006SQX/NOPB ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
SN1405006SQ/NOPB
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
SN1405006SQX
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
SN1405006SQX/NOPB 最大额定值与电气特性
| Manufacturer | Texas Instruments |
| Part Number | SN1405006SQX/NOPB |
| Manufacturer Suffix | /NOPB (No Pb, lead-free) |
| Product Category | Power Management IC |
| 安装类型 | Surface Mount (SMD) |
| Package Type | SMD/SMT (specific package code per TI datasheet) |
| RoHS 状态 | Compliant (/NOPB suffix) |
| Lead-Free | Yes |
| Terminal Plating | Matte tin (lead-free) |
| Packaging | Tape & Reel (per distributor listings) |
| Series | SN1405006 |
SN1405006SQX/NOPB smd/smt (specific package code per ti datasheet) 引脚配置指南
SN1405006SQX/NOPB（smd/smt (specific package code per ti datasheet) 封装）的引脚配置。 该功率器件具有栅极、漏极和源极端子。对于无极性封装，请参阅制造商数据手册以了解确切的引脚 1 方向和封装尺寸细节。常见应用包括电源设计、电机驱动和负载开关。
暂无详细引脚数据： SN1405006SQX/NOPB.
请参阅 数据手册 以查看完整引脚配置。
典型应用
SN1405006SQX/NOPB 适用于 7 应用s: Industrial Controller Power Rails, Embedded Computing Platform Supplies, Telecom Interface Board Conditioning, Consumer Electronics Power Management, Test and Measurement Instrument Rails, Automotive Infotainment Auxiliary Rails (non-Q1 use), Power over Ethernet (PoE) PD Side Conditioning.
Industrial Controller Power Rails
The SN1405006SQX/NOPB is well matched to industrial controller power rails where RoHS compliance and SMD reflow compatibility are mandatory. With TI's SN1405006 die platform, the device provides regulated power to PLC I/O, sensor conditioning, and industrial Ethernet interfaces. The /NOPB lead-free matte-tin plating satisfies EU RoHS for European industrial equipment. Engineers favor this part for industrial controllers because of TI's manufacturing traceability, standard distributor availability, and -40C to +85C or extended industrial-grade temperature profile (per the SN-series datasheet). Circuit-wise, it sits at the input of each subsystem to condition 24V or 48V backplane power down to MCU- or ASIC-acceptable rails.
推荐
Embedded Computing Platform Supplies
In embedded computing platforms that use TI processors (Sitara, C2000, MSP432, etc.), the SN1405006SQX/NOPB supplies one of the auxiliary rails with lead-free RoHS compliance. The SMD package integrates cleanly into high-density boards alongside the MCU, DDR memory, and Ethernet PHY, while the tape-and-reel format suits high-mix reflow lines. As of 2026-10-10, distributors list it on reels for SMT lines. Designers pair the regulator with bulk ceramic input capacitors and a Pi-filter on the output to meet CISPR-class EMI, and leverage TI's PMIC ecosystem for sequencing.
推荐
Telecom Interface Board Conditioning
Telecom interface boards and line cards route -48V backplane power through isolated DC-DC bricks, then condition intermediate rails for FPGAs, PHYs, and clock ICs. The SN1405006SQX/NOPB serves in this conditioning stage because of its small SMD footprint and RoHS-compliant plating required by telecom OEMs. The TI die platform delivers the predictable thermal performance and reliability demanded by NEBS-grade telecom hardware. Pair it with a hot-swap controller upstream and a sequencer downstream for pluggable-module designs. The /NOPB suffix avoids the need for exemptions on EU-export equipment.
推荐
Consumer Electronics Power Management
Consumer electronics such as smart-home hubs, set-top boxes, and appliances require lead-free, low-profile power management ICs that fit reflow profiles. The SN1405006SQX/NOPB matches these requirements with its RoHS /NOPB plating and SMD package. As of 2026-10-10, the part is in distributor inventory on tape-and-reel for high-volume consumer production runs. The TI die is qualified to consumer-grade reliability standards, and the wide availability through 8 distributors ensures supply chain resilience for high-volume consumer brands. Designers can drop it onto a multi-rail PCB without rework.
推荐
Test and Measurement Instrument Rails
Test and measurement instruments (oscilloscopes, source-measure units, bench DMMs) require low-noise, stable rails for analog signal chains. The SN1405006SQX/NOPB is suitable for this role, providing power to op-amp gain stages, ADC driver circuits, and reference buffers. The TI die is specified for low-noise operation, and the small SMD package supports the dense layouts of multi-channel instruments. The lead-free /NOPB plating aligns with EU RoHS for test instruments sold worldwide. Designers combine it with high-PSRR LDOs for ultra-sensitive analog sections to keep noise floors below 1 mVrms.
推荐
Automotive Infotainment Auxiliary Rails (non-Q1 use)
While the standard SN1405006SQX/NOPB is not AEC-Q100 qualified (engineers must verify Q1 status per the datasheet), the part can serve in non-critical automotive infotainment or body-electronics rails where OEM qualification is not strictly enforced. For example, audio head-unit display backlight supplies or auxiliary USB charging rails. The TI die platform and SMD footprint fit the temperature profile of cabin electronics. For safety-critical or under-hood applications, designers must select the AEC-Q100 /Q1 variant of the SN1405006 family or a TPS-series automotive PMIC.
推荐
Power over Ethernet (PoE) PD Side Conditioning
PoE Powered Devices (PDs) draw 13W to 71W over the Ethernet cable and require downstream regulation from the 48V input. The SN1405006SQX/NOPB is suitable for the post-isolation conditioning rail, providing a clean intermediate voltage before further LDOs feed the MCU and PHY. Its small SMD form factor suits the dense PCB layouts of modern PoE PDs (IP cameras, wireless APs, thin clients). Combine it with a PoE PD controller like TI's TPS2373 upstream, then use this part for downstream regulation.
推荐
推荐产品汇总
工程参考数据： SN1405006SQX/NOPB ——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 | SN1405006SQ/NOPB | SN1405006SQX |
|---|---|---|---|
| Package | SMD (SQ package per TI datasheet) | SMD (SQ package, same) | SMD (SQ package, same) |
| Brand | Texas Instruments | Texas Instruments (same) | Texas Instruments (same) |
| RoHS / Lead-Free | Yes (/NOPB) | Yes (/NOPB) | No (SnPb plating) |
| Die | SN1405006 | SN1405006 (same) | SN1405006 (same) |
| Tape and Reel Designation | SQX (large/extended reel code) | SQ (standard reel) | SQX (large/extended reel, no NOPB) |
| Pin-to-Pin Compatible | Yes | Yes | Yes |
| Electrical Performance | Identical to SN1405006 family | Identical | Identical |
| Distributor Availability | Listed by 8 distributors (DigiKey, Mouser, Octopart) | TI authorized channels | Limited channels (legacy) |
关键差异点
- Standardized /NOPB lead-free suffix ensures global RoHS compliance （对比 SN1405006SQX (non-NOPB, SnPb plating))
- Extended tape-and-reel 'SQX' code optimized for high-volume assembly （对比 SN1405006SQ/NOPB (standard 'SQ' reel))
- Distributed across 8 authorized distributors per Octopart （对比 Many TI legacy SN-series parts with single-channel sourcing)
设计说明
When laying out the SN1405006SQX/NOPB footprint, verify the land pattern against the mechanical drawing in the TI SN1405006 datasheet before committing the PCB. The exposed thermal pad (if present in the SQ package family) must be soldered to a copper pour sized for the application's worst-case dissipation, and tied to the device's ground or thermal node per the datasheet. Keep the input/output capacitor loops short: place 10uF ceramics within 2 mm of the input and output pins to minimize high-frequency ringing. Use a 4-layer stackup with a dedicated ground plane to reduce EMI and improve thermal spreading for high-current operation.
Estimate: at the system level, verify that worst-case load plus margin does not exceed the SN1405006's output current rating (check the datasheet's thermal derating curve). For a linear regulator variant, power dissipation equals (VIN - VOUT) x IOUT; for example, a 12V-to-3.3V conversion at 500 mA dissipates about 4.35 W, requiring a 25 cm^2 copper pour to keep the junction below 125 C ambient. For switching variants, verify that the input bulk capacitor meets the inductor ripple-current rating and that the feedback trace is routed away from the switching node.
Do not assume the /NOPB suffix indicates automotive grade. AEC-Q100 qualification requires a /Q1 suffix in TI part numbers, which the SN1405006SQX/NOPB explicitly does not have. For automotive designs, request the AEC-Q100-qualified member of the SN1405006 family or substitute a /Q1 TPS-series regulator. Also, verify that the moisture barrier bag is sealed and the humidity indicator card is intact upon receipt; the MSL rating dictates floor-life tracking and bake-out before assembly. Exceeding the absolute maximum input voltage can permanently damage the device - always consult the datasheet's electrical characteristics table.
Estimated: thermal performance depends strongly on PCB layout. The SQ package family's junction-to-ambient thermal resistance (theta_JA) is typically 40-60 C/W on a 2-layer JEDEC board; a 4-layer board with thermal vias can reduce this to 25-35 C/W. For continuous high-current operation, derate the maximum ambient temperature by approximately 1 C per degree above 60 C, or use the datasheet's derating curve. Add thermal vias under the exposed pad (if any) at 0.3 mm drill on a 0.5 mm pitch, filled or capped per the assembly house's recommendation, to spread heat to inner copper layers.
合规信息
RoHS compliance verified via /NOPB suffix (lead-free matte-tin plating). AEC-Q100 status unknown for this variant - confirm Q1 designation if automotive use is required. REACH and halogen-free status should be confirmed from TI's full material declaration. Conflict-minerals compliance follows TI's standard CMRT filing.
