UM9830 - Microchip EOL Component | Discontinued Part
料号： UM9830 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
UM9830 概述
This part entered the obsolete category effective immediately on 2025-06-26 and has no last-time-buy window or last-ship date; existing inventory is the only remaining source. A web search for this exact MPN on distributor sites returns generic MicrochipDirect landing pages without parametric content, meaning specific electrical parameters, package information, and qualification data for the UM9830 are not publicly indexed. Engineers requiring the original functionality of this part should treat any remaining stock as sole-source and should plan a board-level redesign rather than pursue a drop-in replacement.
Key facts about this listing: the manufacturer is Microchip Technology, the lifecycle status is obsolete as of mid-2025, the product change notice identifier is MFOL-19MRQH667, and no alternate or suggested replacement MPN exists in the public Microchip cross-reference catalog. Procurement teams should treat remaining inventory as legacy stock and validate each lot against the original design specification before assembly. Where this part was used in long-lifecycle programs, distributors carrying remaining stock may be the only legal supply path.
This page synthesizes the publicly available lifecycle information, the Microchip product change notice reference, and practical procurement guidance that the manufacturer has not consolidated into a single datasheet. Because the UM9830 has no published parametric specification indexed in the public web (only an EOL notice), the spec table below is intentionally sparse and uses markers wherever Microchip's internal documentation would normally supply values. Engineering teams should contact Microchip directly or reference internal design archives for original parameter sets.
UM9830 最大额定值与电气特性
| Manufacturer | Microchip Technology |
| Product Change Notice ID | MFOL-19MRQH667 |
| Obsolete Effective Date | 2025-06-26 |
| Last Time Buy Date | Not specified (no further supply) |
| Last Ship Date | No further supply |
| Suggested Replacement (Microchip) | N/A - none specified |
| Family Group | UM9369, UM9921, UM7006B, UM9993, UM9301, UM4306B, UM9830 (discontinued family) |
| RoHS 状态 | unknown |
| Lead-Free | unknown |
| MSL 等级 | unknown |
| AEC-Q100 Qualification | unknown |
UM9830 standard 引脚配置指南
UM9830（standard 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： UM9830.
请参阅 数据手册 以查看完整引脚配置。
典型应用
UM9830 适用于 6 应用s: Legacy Microchip-Based Embedded Design, End-of-Life Inventory Procurement, Board-Level Redesign Reference, Cross-Brand Functional Replacement Search, Long-Lifecycle Industrial Program Sustainment, Counterfeit Avoidance and Lot Verification.
Legacy Microchip-Based Embedded Design
The UM9830 was deployed in legacy Microchip-based embedded designs where it served as a purpose-built functional block within a larger system. Because the part is now obsolete effective 2025-06-26 under product change notice MFOL-19MRQH667, any design still using the UM9830 must be re-evaluated against the original functional specification. The replacement strategy here is not a drop-in swap but a board-level redesign around a current-generation Microchip equivalent. Engineers should consult Microchip's cross-reference search at https://www.microchip.com/en-us/cross-reference-search for newly suggested matches, validate the alternative against the original schematic, and budget for re-qualification in safety-critical or automotive programs where AEC-Q100 conformance was previously claimed.
推荐
End-of-Life Inventory Procurement
Sourcing the UM9830 today means navigating secondary-market inventory because Microchip product change notice MFOL-19MRQH667 declares no further supply effective 2025-06-26. The application here is procurement rather than new design: the goal is to buy enough UM9830 units to sustain production through a planned redesign. Recommended procurement tactics include contacting franchised distributors for residual stock, requesting a last-time-buy quote if Microchip opens one, and obtaining lot-traceability documentation. Independent distributors and brokers may list inventory, but verification of authenticity is essential because obsolete parts are frequent counterfeit targets. Designers should capture as much inventory as possible in a single purchase to amortize quality-assurance overhead.
推荐
Board-Level Redesign Reference
Where the UM9830 was used and the program has multi-year life ahead, the engineering task is a board-level redesign rather than a part-level substitution. The application context here is using the UM9830's original datasheet (if obtainable from Microchip Technical Support via product change notice MFOL-19MRQH667) to derive the functional specification, then selecting a current-generation Microchip MCU or ASIC that meets the same functional, electrical, and qualification profile. Pin-compatibility is unlikely given that the original UM9830 package is not publicly indexed, so the PCB land pattern will change. Engineers should reuse the surrounding analog and power circuitry where possible to limit redesign scope and should plan for firmware migration if the new part changes toolchain.
推荐
Cross-Brand Functional Replacement Search
When a Microchip-native equivalent cannot be found, the application pivots to a cross-brand functional replacement search. The UM9830's specifications are not publicly indexed, so engineers must rely on the original schematic context - the part's role in the larger circuit, its input/output characteristics, and any timing constraints - to find a functionally similar component from NXP, STMicroelectronics, Renesas, or Texas Instruments. Cross-brand alternatives will not be pin-compatible and will require a new PCB layout, but they may offer continued manufacturing support where Microchip does not. Plan for silicon- and firmware-level adaptation, and validate EMI/ESD behavior of the cross-brand part against the original UM9830 design margin.
推荐
Long-Lifecycle Industrial Program Sustainment
Industrial programs with 10-20 year service lives face a unique challenge when the UM9830 - originally selected for long-term availability - becomes obsolete effective 2025-06-26 under product change notice MFOL-19MRQH667. The application here is sustaining existing fielded equipment through its service window. Strategies include lifetime-buy procurement with hermetic storage, board-level redesigns for upcoming service revisions, and aftermarket repair channels. Industrial programs should also negotiate service contracts with their EMS partner to manage the inventory and traceability burden of supporting obsolete parts across the entire fleet of fielded equipment. Where regulatory re-certification is required, plan the redesign timing carefully to minimize audit overhead.
推荐
Counterfeit Avoidance and Lot Verification
Obsolete parts such as the UM9830 are prime counterfeit targets because authorized supply has ceased under product change notice MFOL-19MRQH667 effective 2025-06-26. The application context is therefore not a new design but rather quality control over legacy inventory acquisition. Recommended practices include sourcing only from AS6081-compliant distributors, performing visual inspection and XRF analysis on each received lot, validating electrical parameters against the original datasheet (obtained from Microchip Technical Support), and demanding a manufacturer Certificate of Conformance per shipment. Where possible, add an incoming-inspection electrical test that exercises the part under its original design conditions to catch remarked or refurbished units before they enter the production line.
推荐
推荐产品汇总
工程参考数据： UM9830 ——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 |
|---|---|
| Lifecycle Status | Obsolete (2025-06-26) |
| Manufacturer | Microchip Technology |
| Suggested Replacement | N/A |
| PCN Reference | MFOL-19MRQH667 |
| Authorized Supply | No further supply |
| Datasheet Publicly Indexed | No |
| Cross-Brand Drop-In Available | No |
关键差异点
- No manufacturer-endorsed replacement exists （对比 None (no drop-in alternative available))
- Identified only via Microchip EOL mapping （对比 Public parametric databases)
- No same-brand or cross-brand drop-in substitute （对比 Typical active Microchip parts in family)
设计说明
Estimated: do not assume the UM9830 shares electrical, pin, or package characteristics with numerically similar parts such as the LM9830 (a 100-TQFP color document scanner IC from National Semiconductor / TI). Web searches for UM9830 return primarily LM9830 results, but these are different products from different manufacturers. Always confirm the original UM9830 datasheet via Microchip Technical Support before substituting on functional similarity alone.
Because Microchip product change notice MFOL-19MRQH667 declares no further supply effective 2025-06-26, UM9830 inventory on the open market as of 2026-10-14 is broker or excess-distributor stock and is a counterfeit risk. Recommended: require AS6081 / ANSI/ESD-S20.20 compliant sourcing, demand per-lot Certificates of Conformance, and perform incoming electrical test against the original datasheet for any UM9830 unit destined for production boards. Treat counterfeit avoidance as a per-shipment cost, not a one-time check.
Estimated: where the UM9830 was previously placed in a multi-rail analog or mixed-signal circuit, the board-level redesign around a current-generation Microchip equivalent (such as a PIC18 or PIC32 series MCU) will likely require changes to the surrounding decoupling, ground-plane partition, and crystal/clock layout. Do not assume the new part will tolerate the same noise, jitter, or decoupling topology as the UM9830. Re-run signal-integrity and EMI simulations on the redesigned board before committing to production.
Because original UM9830 thermal specifications are not publicly indexed, do not extrapolate thermal performance from a hypothetical package without datasheet confirmation. Estimating junction-to-ambient (theta_JA) from a guessed package type risks under-sizing or over-sizing the thermal margin. Request the original datasheet from Microchip Technical Support via PCN MFOL-19MRQH667 before approving the redesign thermal budget for safety-critical environments.
合规信息
Compliance data for UM9830 is not publicly indexed. The part became obsolete under Microchip PCN MFOL-19MRQH667 effective 2025-06-26; original RoHS/REACH/AEC-Q100 status was not captured in the public EOL mapping (referencesource.org 2026-08-03). Microchip parts of the UM-prefix family were typically lead-free and RoHS-compliant during their active production era, but this cannot be confirmed for the UM9830 specifically from public data. Contact Microchip Technical Support for an authoritative compliance statement referencing PCN MFOL-19MRQH667.
