ATMXT336S-MAUR - 336-Node Touchscreen Controller IC | Microchip
MPN： ATMXT336S-MAUR ✓ 啟用中ATMXT336S-MAUR 概覽
A capacitive touchscreen controller is a mixed-signal IC that drives and senses a grid of mutual-capacitance nodes on a touch panel, converts raw capacitance changes into digitized touch coordinates, and reports gesture data to a host processor. Within the power management and human-interface hierarchy, it sits between the passive touch panel and the application processor, forming part of the sensor and interface IC layer of a mobile system.
Key features include 336 mutual-capacitance sensing nodes, support for 2.0 mm passive stylus input, moisture robustness for wet-finger tracking, and superior electrical noise immunity for operation in hostile AC-charger and display-noise environments, according to the Microchip product page.
The maXTouch architecture uses patented capacitive touch acquisition technology with on-chip signal processing, enabling high signal-to-noise ratio touch reporting at high report rates. This makes the mXT336S well suited to dense sensor patterns on thin phone form factors where water rejection and stylus resolution are critical differentiators.
Typical applications include premium smartphone touchscreens, small-to-medium tablet and phablet panels, and portable consumer devices requiring passive stylus support and wet-hand operation.
When designing with the mXT336S, confirm panel node count and pin mapping against the maXTouch family configuration, and note that Microchip officially recommends the ATMXT336U as the alternative touch controller for this part.
This page synthesizes verified distributor pricing, the Microchip-recommended alternative, drop-in family options, and practical sourcing guidance not consolidated in the manufacturer datasheet alone.
直接替換替代品，適用於 ATMXT336S-MAUR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ATMXT336S-MAUR （相同外形與佔位） — 差異在於 Product Type.
ATMXT336S-MAUD
✅ 直接替換📋 參考替代品（不在目錄中）
ATMXT336S-A
✅ 直接替換📋 參考替代品（不在目錄中）
ATMXT336U
✅ 直接替換📋 參考替代品（不在目錄中）
ATMXT336T-MAU
✅ 直接替換📋 參考替代品（不在目錄中）
ATMXT336S-MAUR 最大額定值與電氣特性
| Product Type | Capacitive Touchscreen Controller IC |
| Series | maXTouch (mXT336S) |
| Touch Sensing Nodes | 336 nodes |
| Sensing Technology | Mutual capacitance (projected capacitive) |
| Passive Stylus Support | 2.0 mm passive stylus |
| Moisture Robustness | Yes (wet-finger tracking) |
| Noise Immunity | Superior electrical noise immunity |
| Target Application | High-performance smartphones |
| Category (Distributor) | Sensor, Capacitive Touch |
| RoHS 狀態 | RoHS Compliant |
| Lead Free Status | Lead free |
| 安裝類型 | Surface Mount |
| Package Code | MAU |
| Packaging | Tape & Reel (R suffix) |
ATMXT336S-MAUR mau 腳位配置指南
ATMXT336S-MAUR（mau 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： ATMXT336S-MAUR.
請參閱 資料表 以查看完整腳位配置。
典型應用
ATMXT336S-MAUR 適用於 6 應用s: Premium Smartphone Touchscreens, Tablet and Phablet Panels, Passive Stylus Note-Taking Devices, Wet-Environment Consumer Devices, Automotive Touchscreens (via mXT336S-A), High-Volume Consumer Electronics Manufacturing.
Premium Smartphone Touchscreens
The ATMXT336S-MAUR is purpose-built for high-performance smartphones, using Microchip's patented capacitive touch technology to deliver 336 mutual-capacitance nodes for dense, fine-pitch sensor patterns on thin phone stacks. Its 2.0 mm passive stylus support enables pen-like drawing accuracy without an active stylus, while moisture robustness keeps tracking reliable with wet fingers, a common real-world failure mode for lesser controllers. Superior electrical noise immunity maintains touch accuracy against charger and display noise in slim, antenna-dense phones. Implemented as the controller between the ITO sensor and the application processor over the host interface, it reports filtered touch and gesture data at high report rates. The trade-off is that a 336-node controller consumes more processing and panel-design effort than lower-count variants, but it is the cost of premium touch UX.
推薦
Tablet and Phablet Panels
Mid-size tablet and phablet panels need high node counts to preserve linearity across larger active areas, and the mXT336S's 336 sensing nodes provide the density required for accurate multi-touch and passive stylus input on screens up to the 7-inch class that Microchip cites for this family. Moisture robustness matters in tablets used in kitchens, education, and field service where wet or damp hands are routine, and the mXT336S's wet-finger tracking directly addresses that scenario. Its noise immunity is equally important because tablets integrate bright displays and fast chargers that couple noise into the touch sensor. In the signal chain, the controller drives the sensor grid, acquires mutual capacitance, and streams digitized touches to the SoC. Designers should budget for panel-profile tuning to match the specific ITO pattern and stack-up.
推薦
Passive Stylus Note-Taking Devices
Digital note-taking products that use inexpensive passive (capacitive) styli rather than active pens benefit directly from the mXT336S's 2.0 mm passive stylus support, which resolves the fine tip geometry that generic controllers smear into large blobs. The 336-node grid supplies the spatial sampling needed for legible handwriting, while on-chip acquisition processing maintains a stable signal-to-noise ratio so stroke jitter stays low during fast writing. Moisture robustness prevents hand-contact artifacts around the writing palm, and noise immunity keeps the input stable while the device charges over a USB charger, exactly when note-taking sessions typically occur. As with any passive-stylus design, linearity across the display edge should be validated during panel tuning; the controller's stylus performance depends on sensor geometry as well as firmware configuration.
推薦
Wet-Environment Consumer Devices
Devices used outdoors or in humid environments, such as ruggedized phones, marine handhelds, and outdoor kiosks, must keep touch functionality intact with rain, condensation, or wet gloves-and-fingers conditions. The mXT336S is explicitly specified for moisture robustness, meaning its acquisition algorithm rejects water-film capacitance that causes ghost touches on standard controllers. Combined with superior electrical noise immunity, it remains reliable when the device is also connected to a noisy charger or sits near high-brightness LED backlight drivers. In the system, the controller sits between the shielded or unshielded sensor stack and the host MCU, filtering raw capacitance frames and reporting only valid touches. Designers should pair it with panel materials tested for water rejection; the controller handles the signal side but the cover-lens and sensor design determine the wet-touch ceiling.
推薦
Automotive Touchscreens (via mXT336S-A)
For infotainment and climate-control touchscreens, the automotive-qualified mXT336S-A extends this family into vehicles, optimized for 7-inch displays and enabling single-layer shieldless sensor designs that reduce cost and stack thickness. While the consumer ATMXT336S-MAUR itself is not the AEC-qualified part, its architecture is the same maXTouch platform, so panel profiles and tuning experience port directly when moving to the -A variant. Automotive cabins impose severe noise conditions, including inverters, RF transceivers, and fast chargers, which the maXTouch noise-immunity architecture is designed to tolerate. In a vehicle HMI, the controller reports touch and hover data to the head-unit SoC over the host interface and must maintain accuracy under glove, wet, and multi-touch use. Programs requiring formal qualification documentation should order the -A suffix part rather than the consumer MAUR.
推薦
High-Volume Consumer Electronics Manufacturing
For contract manufacturers building millions of touch devices per year, the ATMXT336S-MAUR ships on tape and reel, the -R packaging suffix, for automated pick-and-place lines, and is lead free and RoHS compliant to meet global environmental regulations. Verified channel data shows 20000-piece stock positions and volume pricing near $2.83 per unit at 20000+ quantity as of 2026-09-19, supporting aggressive BOM targets in cost-driven consumer hardware. The tray-packed ATMXT336S-MAUD variant serves engineering builds and low-speed lines without changing the PCB footprint, since the silicon and package are identical. For supply-chain resilience, Microchip officially designates the ATMXT336U as the alternative touch controller, giving procurement a sanctioned second source within the maXTouch roadmap. Buyers should confirm date codes and reel quantities with distributors before releasing large production orders.
推薦
推薦產品摘要
工程參考資料，適用於 ATMXT336S-MAUR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ATMXT336S-MAUD | ATMXT336S-A | ATMXT336U | ATMXT336T-MAU |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | MAU surface-mount (tape & reel) | MAU surface-mount (tray) - same footprint | MAU surface-mount (automotive) - same footprint | maXTouch surface-mount - verify footprint on PCB | MAU surface-mount - same footprint |
| Touch Sensing Nodes | 336 nodes | 336 nodes | 336 nodes | 336 nodes | 336 nodes (T-series configuration) |
| Target Market | High-performance smartphones (consumer) | Consumer (same market) | Automotive (AEC-grade, 7-inch optimized) | Consumer (recommended alternative) | Consumer (T-series) |
| RoHS / Lead Free | RoHS Compliant / Lead free | RoHS Compliant / Lead free | RoHS Compliant / Lead free | RoHS Compliant / Lead free | RoHS Compliant / Lead free |
主要差異化特點
- 2.0 mm passive stylus support (對比ATMXT336T-MAU)
- Officially sanctioned migration path (對比ATMXT336U)
- Consumer cost versus automotive qualification (對比ATMXT336S-A)
設計說明
Do not confuse the ordering suffixes when purchasing: -MAUR is tape and reel for automated assembly, while -MAUD is tray packing of the identical die. They are electrically interchangeable on the same PCB, but mixing reel and tray quantities disrupts SMT line planning. Additionally, Microchip explicitly designates ATMXT336U as the recommended alternative for the mXT336S; treat any other family member (336T, 336S-A) as requiring panel-profile revalidation, because node mapping and firmware configuration differ even within the same node count.
The mXT336S is specified for superior electrical noise immunity and moisture robustness, but its real-world performance depends on the sensor stack. Route touch sense lines away from switching regulators, backlight LED drivers, and RF antenna feeds, and follow Microchip's maXTouch panel layout guidance for guard and shield placement. For wet-finger applications, validate the moisture algorithm against your cover-lens material and ITO geometry during panel tuning; the controller's wet-touch rejection is only as good as the sensor design it drives.
Place the mXT336S controller close to the touch sensor flex-tail connector to keep sense-line loop area small and reduce coupled noise from the display and charger. Use solid ground plane under the controller but keep copper off the flex routing region per Microchip panel guidelines. Decouple the supply per the manufacturer datasheet recommendations with local ceramic capacitors at the supply pins. For 2.0 mm passive stylus accuracy, the sensor pattern linearity near display edges matters as much as controller resolution, so review the panel design together with the controller placement.
合規資訊
Lead free / RoHS Compliant per distributor listing (IC-components-distributor.com). Automotive AEC-Q100 grade is covered by the ATMXT336S-A variant, not this consumer part. REACH, halogen-free, and conflict-minerals status not stated in provided data.
