SM72445MT/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SM72445MT/NOPB is a programmable Maximum Power Point Tracking (MPPT) controller with 8-channel analog inputs and adjustable PWM frequency for solar energy harvesting. Operates from a 4.75 V to 5.25 V supply. Available from stock worldwide at competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- SM72445MT/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.5400(MOQ 37)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Programmable MPPT algorithm with 8-channel analog inputs allows flexible solar panel configuration and multi-string monitoring
- Adjustable PWM frequency output enables optimization of switching converter efficiency across diverse topologies
- Integrated analog front-end with 5 V single-supply operation simplifies solar charge controller design without external amplifiers
Applications
SM72445MT/NOPB is designed for solar energy harvesting systems and photovoltaic charge controllers where maximizing panel output power through MPPT is critical. It is well suited for off-grid and grid-tied inverter designs, small solar battery chargers, and smart energy management modules in embedded systems. The 28-pin small outline package and single 5 V supply simplify integration into compact solar monitoring and power conversion hardware.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | ANALOG CIRCUIT |
| Input Voltage-Max | 5.25V |
| Input Voltage-Min | 4.75V |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Number of Channels | 8 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP28,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 16.5mA |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 215kHz |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does SM72445MT/NOPB implement MPPT for solar panels, and what input channels does it provide?
SM72445MT/NOPB implements a programmable perturb-and-observe MPPT algorithm using 8 analog input channels to sense panel voltage and current, enabling it to continuously track the maximum power point across varying irradiance and temperature conditions. The 8-channel input supports simultaneous monitoring of multiple PV strings or auxiliary signals, improving system flexibility for solar arrays from a few watts to several kilowatts.
What PWM frequency range does SM72445MT/NOPB support and how is it adjusted for converter optimization?
SM72445MT/NOPB provides an adjustable PWM output frequency set by an external resistor-capacitor network, allowing designers to tune the switching frequency from tens of kilohertz to several hundred kilohertz. Selecting a higher switching frequency such as 200 kHz reduces inductor and capacitor size in the downstream DC-DC converter, while lower frequencies minimize switching losses in high-power boost or buck-boost topologies.
What supply voltage does SM72445MT/NOPB require and how does this simplify solar charge controller design?
SM72445MT/NOPB requires a single 5 V supply within the 4.75 V to 5.25 V operating range, which is easily derived from a low-dropout regulator or the system 5 V bus. The 5 V single-supply operation eliminates the need for a separate bias rail and reduces the bill of materials by removing external amplifiers for signal conditioning across the 8 analog input channels.
In what package does SM72445MT/NOPB come and how does it compare to smaller MPPT controller alternatives?
SM72445MT/NOPB is packaged in a 28-pin small outline package (R-PDSO-G28) measuring approximately 17.9 mm × 7.5 mm, providing ample I/O for 8 analog channels, PWM output, and digital control signals on a single device. Compared to smaller 8-pin or 16-pin MPPT controllers that offer only 1-2 sense inputs, SM72445MT/NOPB offers significantly more analog integration, making it better suited for multi-string solar arrays requiring comprehensive telemetry.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 37+ | $10.2250 | $378.32 |
| 100+ | $9.7125 | $971.25 |
| 500+ | $7.3600 | $3680.00 |
| 1000+ | $6.9500 | $6950.00 |
| 10000+ | $6.5400 | $65400.00 |
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