MWCT1200CFM - 5W Multi-Coil Wireless Charging Tx IC | NXP
Артикул: MWCT1200CFM ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $7.5 | $7,50 |
| 10 | $6.75 | $67,50 |
| 100 | $5.85 | $585,00 |
| 490 | $4.2 | $2.058,00 |
| 2.450 | $1.57 | $3.846,50 |
| 10.000 | $1.35 | $13.500,00 |
MWCT1200CFM Обзор
What is a wireless charging transmitter IC? A wireless charging transmitter IC (PMIC) is a specialized power management unit that drives a transmitter coil to deliver energy to a Qi-compliant receiver through resonant inductive coupling. The transmitter sits inside the category hierarchy: PMIC -> power management IC -> wireless power transmitter -> semiconductor. It is responsible for half-bridge or full-bridge coil driving, closed-loop current regulation based on Qi protocol packets, digital demodulation of load-modulated messages from the receiver, and safety functions such as over-temperature, over-current, and foreign object detection.
Key features of the MWCT1200CFM include support for multi-coil topologies (enabling flexible positioning on the charging surface), an integrated digital demodulation engine that decodes Qi-compliant communication packets without an external ADC, built-in FSK/ASK modulation support, and adjustable output power up to 5 W. The device exposes an I²C interface for configuration and telemetry and includes an integrated gate driver for the external power stage.
Technically, the MWCT1200CFM runs an embedded Qi state machine on an on-chip Cortex-M0 core, which decodes Qi protocol packets received through the coil sense path. The digital demodulation block performs amplitude-shift keying (ASK) decoding at typical Qi packet rates of 2 kbps and supports frequency-shift keying (FSK) reverse communication. The device also includes a proprietary foreign object detection algorithm that measures Q-factor changes before and during power transfer to identify metallic debris.
Typical applications include 5 W single-coil charging pads, 5 W multi-coil free-positioning pads, Qi-compliant charging stands for mobile phones and wearables, and embedded charging modules in furniture or automotive center-console surfaces. The multi-coil support enables placement tolerance that is significantly wider than single-coil designs.
When designing with this device, the engineer should follow NXP's reference design RDGDK1200 closely and route the differential coil-sense traces symmetrically. The PCB thermal pad must be soldered to a continuous ground pour to keep junction temperature within the -40 °C to +85 °C operating range during sustained 5 W power delivery.
This page synthesizes distributor pricing, drop-in alternative availability, and practical design notes not found in the manufacturer datasheet alone.
Аналоги без доработки для MWCT1200CFM — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MWCT1200CFM (тот же форм-фактор и посадочное место) — отличается по Communication Protocol, Package, Topology.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MWCT1100CFM
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MWCT1000CFM
✅ Прямая замена✓ В наличии
$4.28 / шт.
Открыть даташит →MWCT1201CFM
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MWCT1300CFM
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MAX77950EWX+T
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MWCT1200CFM Характеристики
| Функция | Wireless Power Transmitter PMIC |
| Output Power | 5 W |
| Топология | Multi-coil |
| Напряжение питания | 2.7 V to 3.6 V |
| Ток потребления | 300 µA |
| Communication Protocol | WPC Qi A5/A11 |
| Modulation | ASK/FSK demodulation |
| Foreign Object Detection | Yes (Q-factor based) |
| Корпус | 32-HVQFN (5x5 mm) wettable flank |
| Тип монтажа | Surface Mount |
| Рабочая температура | -40 °C to +85 °C |
| Standard Package Quantity | 490 (Tray) |
| Minimum Order Quantity | 2450 (5 trays) |
| Lead Time | 39 weeks |
| Статус RoHS | Compliant |
Конфигурация выводов MWCT1200CFM
| Контакт 1 | COIL_P — Differential coil-sense input (positive) |
| Контакт 2 | COIL_N — Differential coil-sense input (negative) |
| Контакт 3 | GND — Ground |
| Контакт 4 | DRV_H — Half-bridge high-side gate driver output |
| Контакт 5 | DRV_L — Half-bridge low-side gate driver output |
| Контакт 6 | BST — Bootstrap supply for high-side driver |
| Контакт 7 | VDD — 3.3 V supply input |
| Контакт 8 | GND — Ground |
| Контакт 9 | EN — Enable (active high) |
| Контакт 10 | SDA — I²C data |
| Контакт 11 | SCL — I²C clock |
| Контакт 12 | INT — Interrupt output (active low) |
| Контакт 13 | GND — Ground |
| Контакт 14 | LED1 — Status LED driver 1 |
| Контакт 15 | LED2 — Status LED driver 2 |
| Контакт 16 | TS — Temperature sense input |
| Контакт 17 | VREF — Internal reference voltage |
| Контакт 18 | GND — Ground |
| Контакт 19 | MUX_A — Coil multiplexer select A |
| Контакт 20 | MUX_B — Coil multiplexer select B |
| Контакт 21 | MUX_C — Coil multiplexer select C |
| Контакт 22 | GND — Ground |
| Контакт 23 | CS_P — Current sense input (positive) |
| Контакт 24 | CS_N — Current sense input (negative) |
| Контакт 25 | RESET — Reset input (active low) |
| Контакт 26 | VDD — 3.3 V supply input |
| Контакт 27 | GND — Ground |
| Контакт 28 | TEST1 — Factory test pin (leave NC) |
| Контакт 29 | TEST2 — Factory test pin (leave NC) |
| Контакт 30 | NC — Not connected (per datasheet) |
| Контакт 31 | NC — Not connected (per datasheet) |
| Контакт 32 | EP — Exposed thermal pad (connect to GND) |
Типичное применение
MWCT1200CFM подходит для 6 применениеs: Single-Coil Qi Charging Pad, Multi-Coil Free-Positioning Charging Pad, Qi Charging Stand (Mobile Phone), Embedded Furniture Charging Module, Wearable Charging Cradle, Industrial 5 W Wireless Power Module.
Single-Coil Qi Charging Pad
The MWCT1200CFM directly drives a single Qi A5/A11 transmitter coil at 5 W output power, providing a complete charging-pad solution in the 32-HVQFN package. The device integrates ASK/FSK demodulation, eliminating the external microcontroller that legacy Qi designs required. The 300 µA quiescent current keeps standby power well below 100 mW, satisfying Energy Star standby requirements. With the on-chip FOD algorithm monitoring Q-factor shifts, the pad safely rejects metallic debris before power transfer starts.
Рекомендуется
Multi-Coil Free-Positioning Charging Pad
The MWCT1200CFM's integrated coil multiplexer natively drives up to three transmitter coils, enabling a free-positioning charging surface where phones can be placed anywhere on the pad. Each coil is sequentially scanned for a Qi-compliant receiver, then selected by the on-chip mux once a load is detected. The 5 W output, ASK/FSK demodulation, and Q-factor FOD combine to deliver a robust consumer charging experience with wide placement tolerance and safe operation.
Рекомендуется
Qi Charging Stand (Mobile Phone)
In a vertical charging-stand form factor, the MWCT1200CFM drives a single 5 W coil angled at 15-30° to align with the phone's receiver coil. The 5 mm × 5 mm 32-HVQFN footprint fits easily behind the stand's PCB, and the exposed thermal pad couples to a small copper pour for sustained 5 W operation. The on-chip Qi state machine handles the entire ping-identify-configure-power handshake without external code, simplifying firmware development.
Рекомендуется
Embedded Furniture Charging Module
For tables and nightstands with integrated Qi charging, the MWCT1200CFM provides the complete transmitter functionality in a single chip. The 2.7 V to 3.6 V supply accepts a 3.3 V rail derived from a USB-C 5 V input, and the I²C interface allows a host MCU to monitor charging status or drive LED indicators. The Q-factor FOD ensures the device never energizes when coins, keys, or foil are placed on the surface, meeting furniture-safety standards.
Рекомендуется
Wearable Charging Cradle
Smartwatch and hearable charging cradles use small-form-factor Qi transmitters where the MWCT1200CFM's 32-HVQFN package delivers full Qi compliance in minimal PCB area. The low 300 µA quiescent current extends cradle standby time when paired with battery-powered hosts. The on-chip FOD protects the small metal pins used to align the wearable from being falsely detected as foreign objects.
Рекомендуется
Industrial 5 W Wireless Power Module
Industrial sensor and HMI panels benefit from wireless power to eliminate connector wear. The MWCT1200CFM provides 5 W Qi-compliant power with the -40 °C to +85 °C industrial temperature range. The 32-HVQFN's wettable flank package supports automated optical inspection (AOI) on industrial assembly lines. The I²C interface enables predictive maintenance telemetry on coil health and power delivery efficiency.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MWCT1200CFM — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MWCT1100CFM | MWCT1000CFM | MWCT1201CFM | MWCT1300CFM | MAX77950EWX+T |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Maxim Integrated |
| Package | 32-HVQFN (5x5 mm) | 32-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same | QFN-30 - different pinout |
| Output Power | 5 W | 3 W | 5 W | 5 W | 5 W | 5 W |
| Topology | Multi-coil | Single-coil | Single-coil | Multi-coil | Multi-coil | Single-coil |
| Qi Standard | Qi 1.2 (A5/A11) | Qi 1.2 | Qi 1.2 | Qi 1.2 | Qi 1.3 | Qi 1.2 |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 3.0 V to 5.5 V |
| FSK Modulation | Yes | Yes | Yes | Yes | Yes | No |
| Foreign Object Detection | Yes (Q-factor based) | Yes | Yes | Yes | Yes (improved) | Yes (loss-based) |
| Lifecycle Status | NRND | NRND | NRND | Active | Active | Active |
Ключевые отличия
- Multi-coil support integrated (против MWCT1000CFM)
- Higher output power rating (против MWCT1100CFM)
- Native Qi 1.2 compliance with FSK (против MAX77950EWX+T)
- Qi 1.3 upgrade path in same family (против MWCT1300CFM)
Заметки по проектированию
At 5 W output and 90% coil-to-load efficiency, the MWCT1200CFM must dissipate approximately 0.5 W internally plus drive losses in the external half-bridge. Solder the exposed thermal pad (pin 32) to a continuous ground copper pour of at least 100 mm² on top and inner layers. Without adequate copper, junction temperature can exceed 100 °C during sustained operation at 25 °C ambient, triggering the on-chip thermal shutdown.
Route the differential coil-sense traces (COIL_P, COIL_N, pins 1-2) symmetrically with matched lengths within 1 mm and ground shielding to preserve signal integrity. Keep the high-current half-bridge loop (DRV_H, DRV_L, BST) area minimal to reduce EMI. Place the 100 nF bootstrap capacitor for BST as close to pins 4-6 as physically possible.
Use NXP reference design RDGDK1200 as the layout starting point. The 32-HVQFN requires wettable flank side pads for automated optical inspection; ensure PCB land pattern matches IPC-7351 nominal with 0.2 mm toe extension. Keep digital I²C traces (SDA, SCL) away from the analog coil-sense traces to avoid coupling noise into the demodulation path.
Do not connect the EPAD to a floating copper island - it must be tied directly to the system ground plane with multiple stitching vias. Do not drive the I²C lines above 3.6 V; the device is not 5 V tolerant on SDA/SCL. Do not skip the FSK capacitor on the BST pin, or the high-side gate will not switch and the device will appear to operate in ASK mode only with reduced power transfer efficiency.
Информация о соответствии
RoHS compliant per NXP product page. NRND status as of 2026-10-15 - minimum order quantity 2450 units, 39-week lead time. Not AEC-Q100 qualified - use MWCT1xxxA-Q family for automotive.
