MSP430TCH5EPW - 16-Bit Haptics MCU | Texas Instruments
Référence : MSP430TCH5EPW ✓ ActifMSP430TCH5EPW Présentation
A mixed-signal microcontroller combines a low-power digital processor with analog measurement and control functions on one integrated circuit. The MSP430 family belongs to the embedded-controller hierarchy of microcontrollers, embedded processors, and semiconductor devices. It is intended for compact products in which touch sensing, haptic feedback, analog monitoring, and embedded control must operate within a small package and a constrained power budget.
The MSP430TCH5EPW is differentiated by its dedicated capacitive-touch and haptics capability. Its 10-bit ADC provides eight analog input channels, while two PWM outputs support timed control functions. The 16-bit processor architecture and 16 kB flash capacity provide space for touch configuration, haptic drive control, system state machines, and application firmware. The 512-byte RAM supports working variables and buffered data without requiring a large external memory device.
The 28-pin TSSOP package is suitable for conventional surface-mounted PCB assembly and provides a practical alternative to larger leaded packages when product dimensions are constrained. Signal integrity around touch electrodes, ADC inputs, and haptics-drive outputs requires careful partitioning of sensitive analog paths from switching nodes and high-current drive returns. The manufacturer datasheet should be used for exact pin assignments, recommended external components, electrical limits, and initialization procedures.
Typical applications include capacitive-touch control panels, haptic feedback interfaces, industrial control panels, appliance user interfaces, compact sensor-hub products, and embedded human-interface systems. In a touch-control design, the MCU can acquire electrode measurements through its mixed-signal resources, evaluate touch conditions, and generate a controlled haptic response through its PWM-capable output architecture.
When designing the PCB, place the MCU decoupling capacitors close to their specified supply pins and keep the analog ground and signal paths compact. Confirm input-voltage, output-current, ADC, and haptics-drive constraints against the device limits before connecting external loads. Firmware should also include startup defaults, electrode calibration, and a defined haptics-drive shutdown state to prevent unintended actuator activation.
This product page combines the manufacturer device identity, package information, core mixed-signal specifications, application guidance, engineering notes, and verified sourcing links. It also identifies the distinction between a true pin-compatible replacement and a merely similar MCU so engineers can avoid accepting a footprint-level match without checking peripheral functionality.
Alternatives de remplacement direct pour MSP430TCH5EPW — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesMSP430TCH5EPW Valeurs maximales et caractéristiques électriques
| Product Type | Haptics-enabled mixed-signal microcontroller |
| Processor Bit Width | 16 bit |
| Flash Memory | 16 kB |
| RAM | 512 bytes |
| ADC Resolution | 10 bit |
| ADC Channels | 8 channels |
| PWM Channels | 2 channels |
| Boîtier | 28-pin TSSOP |
| Package Width | 4.40 mm |
| Package Length | 0.173 inch |
| Type de montage | Surface mount |
| Terminal Count | 28 terminals |
| Package Shape | Rectangular |
| Temperature Grade | Industrial |
| Terminal Form | Gull wing |
| Device Marking | 430TCH5E |
| Datasheet Length | 62 pages |
Guide de configuration des broches du MSP430TCH5EPW rectangular
Configuration des broches du MSP430TCH5EPW (boîtier rectangular). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour MSP430TCH5EPW.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MSP430TCH5EPW convient pour 6 applications: Capacitive-Touch Control Panels, Haptic Feedback Interfaces, Industrial Sensor Hubs, Appliance User Interfaces, Portable Measurement Products, Security and Access-Control Panels.
Capacitive-Touch Control Panels
The MSP430TCH5EPW fits capacitive-touch control panels because it combines a 16-bit processor with an 8-channel 10-bit ADC in one compact mixed-signal device. Firmware can acquire electrode signals, apply filtering and baseline tracking, identify touch conditions, and update the panel state while leaving up to 16 kB of flash for configuration and application code. Its 512-byte RAM provides working memory for measured values and control variables. Place the MCU close to the touch interface, use the manufacturer-recommended grounding and filtering arrangement, and validate electrode geometry for the enclosure material and electrode spacing.
Haptic Feedback Interfaces
The MSP430TCH5EPW is suited to compact haptic-feedback interfaces because its two PWM channels can support timed actuator-control functions while its mixed-signal resources manage related feedback signals. The 16-bit processor architecture can coordinate touch detection, actuator timing, event handling, and system communication within a 16 kB flash and 512-byte RAM budget. Designers should confirm actuator voltage, current, and drive topology against the electrical limits before connecting a motor or piezoelectric element. Firmware should also initialize outputs in a safe state and enforce a shutdown condition if the actuator or host becomes unavailable.
Industrial Sensor Hubs
The MSP430TCH5EPW can serve as the controller in a small industrial sensor hub that combines touch input, analog measurement, and local feedback. Its eight 10-bit ADC channels provide a practical interface for resistive, capacitive, or other conditioned analog sensors, while the two PWM channels support timing or low-power excitation functions. The 28-pin TSSOP package allows the controller to fit compact control boards, and the 512-byte RAM is suitable for short measurement buffers and state variables. Maintain separation between sensor returns and actuator drive paths, and use the manufacturer operating-condition limits to define the allowable industrial environment.
Appliance User Interfaces
The MSP430TCH5EPW is appropriate for appliance controls that need a touch-sensitive front panel, local analog sensing, and an audible or tactile response. Its 16-bit processor can handle button debouncing, electrode evaluation, operating-state logic, and communication handling, while the 8-channel 10-bit ADC supports sensor inputs and the two PWM channels assist with timed feedback functions. The 16 kB flash capacity accommodates compact embedded firmware without requiring a separate processor in simple appliance designs. Validate touch performance with the physical panel materials, keep the MCU away from motor switching stages, and confirm all actuator drivers against separate electrical limits.
Portable Measurement Products
The MSP430TCH5EPW can anchor a portable measurement product that needs local touch selection, analog sensing, and a compact mixed-signal controller. The eight-channel 10-bit ADC can acquire multiple conditioned inputs, while the 16-bit processor architecture supports filtering, calibration, and user-interface logic. Its 512-byte RAM is appropriate for short acquisition buffers and control state, and the 28-pin TSSOP package reduces board footprint compared with many larger leaded packages. Battery-operated designs should include a deliberate power strategy and confirmed sleep behavior. Use low-leakage external components and isolate sensitive analog inputs from display, motor, and haptic-drive circuitry.
Security and Access-Control Panels
The MSP430TCH5EPW can support compact access-control or security panels that use capacitive keys and provide local haptic feedback. The mixed-signal ADC supports analog input acquisition, the two PWM channels can assist with actuator timing, and the 16-bit processor can coordinate authentication state, event logging, and indicator control within the device's 16 kB flash and 512-byte RAM limits. The 28-pin TSSOP package is useful where PCB space is restricted. Design the touch surface and grounding carefully, provide a safe default for the haptic output, and separate sensitive control signals from any switching-power or communication circuitry to reduce false touch events.
Données de référence d'ingénierie pour MSP430TCH5EPW — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit |
|---|---|
| Brand | Texas Instruments |
| Package | 28-pin TSSOP, 4.40 mm width |
| Product Type | Haptics-enabled mixed-signal microcontroller |
| Processor Bit Width | 16 bit |
| — | 16 kB |
| — | 512 bytes |
| — | 8 channels, 10-bit resolution |
| — | 2 channels |
| — | Industrial |
| — | 430TCH5E |
Principaux différenciateurs
- Integrated haptics and capacitive-touch control (vs MSP430G2513IPW28)
- Mixed-signal sensing and timed output resources (vs MSP430G2533IPW28R)
- Compact 16-bit control platform (vs MSP430G2513IPW28)
Notes de conception
Partition the PCB into a low-noise mixed-signal region and a separate power-drive region. Keep the MSP430TCH5EPW, ADC input routing, touch-electrode interfaces, and decoupling on the same side of the board where practical. Route haptic-drive current through a controlled return path rather than through the vicinity of ADC inputs. This separation reduces switching transients and ground movement that can appear as touch or measurement errors.
Follow the manufacturer pin-description table when placing the 28-pin TSSOP footprint and do not infer assignments from a generic 28-pin symbol. Place all required bypass capacitors adjacent to the intended supply pins, with short ground returns, and reserve clean routing for programming and debug signals. Because touch behavior depends on electrode geometry and surrounding copper, the final enclosure and PCB changes should be validated together rather than optimized independently.
Avoid treating a general-purpose MSP430 in the same package as a drop-in replacement. The MSP430TCH5EPW is defined around capacitive-touch and haptic functions, so compatibility must include the touch-electrode interface, haptic-drive pins, eight ADC channels, two PWM channels, memory organization, power pins, clocking, and programming interface. Review both devices' pin descriptions and peripheral maps before replacing the MCU in an existing layout.
Treat analog inputs and capacitive-touch electrodes as sensitive paths. Use short traces, minimize loop area, maintain a stable ground reference, and keep switching nodes and high-current haptic returns away from the sensing area. Establish baseline and touch thresholds through measurement on the finished hardware, because enclosure material, humidity, electrode spacing, and ground geometry can change the sensor baseline and coupling behavior.
Informations de conformité
The device is identified as industrial temperature grade. Specific environmental and material compliance declarations require confirmation from the current Texas Instruments quality documentation for the exact ordered part number.
