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SIM2-151AB是一款将输出功率元件，前置驱动以及带限流电阻的自举二极管集成在一个封装内的三相电机驱动。
小型DIP40封装，适用于冰箱和空调压缩机驱动。
除降低了功率元件的损耗外，我们还通过采用 DBC（Direct Bonding Copper）构造，实现了高效散热，从而使产品体积比传统封装减少 40% 以上。
对于15A高压电机驱动产品来说，该产品的体积是业界最小级别*。体积减小的同时，散热能力维持传统封装的同等水平。
与传统产品相比，体积削减40%以上 高压三相电机驱动【SIM2-151AB】
The SIM2-151AB is a high voltage 3-phase motor driver in which transistors, pre-drive circuits, and bootstrap circuits (diodes and resistors) are highly integrated.
The new product comes in a compact DIP40 package and will best suit compressor-driven applications such as refrigerators and air conditioners.
Along with the lower-loss power elements, we successfully reduced the product’s mold volume by 40% or more compared to our conventional package through the DBC (Direct Bonding Copper) structure—whose excellent heat dissipation is a promising feature. The SIM2-151AB also achieves the industry’s smallest size* among the high-voltage motor driver ICs rated for 15 A. The product is available in the package with not only a decreased volume size but also the heat dissipation equivalent of the conventional package.
We have currently been developing a device that can support 30 A with the same package.
* Based on our survey as of January 20, 2023.
Features
- Sufficient insulation distance:
Clearance: 2.788 mm (min.)
Creepage: 4.334 mm (min.) - Pb-free (RoHS compliant)
- Isolation voltage: 2000 V (for 1 min), UL-recognized (File No. E118037)
- Temperature sensing function
- Built-in bootstrap diodes with current limiting resistors (250 Ω)
- CMOS-compatible input (3.3 V or 5 V)
- Fault signal output at protection activation
Protections
- Undervoltage Lockout for power supply
High-side (UVLO_VB): auto-restart
Low-side (UVLO_VCC): auto-restart - Overcurrent Protection (OCP): auto-restart
- Thermal Shutdown (TSD): auto-restart, with an operating range of ±5 °C
Applications
For motor drives such as:- Refrigerator compressor motor
- Air conditioner compressor motor
Product Overview
| Part Number / Data Sheet | VCES | IC | Output Transistor | VCE(SAT)(Typ.) | Thermal Resistance | Package |
|---|---|---|---|---|---|---|
SIM2-151AB  |
600 V | 15 A | FS-IGBT＋FRD | 1.6 V | 3.6 ℃/W |  DIP40 35.7×14.6×4.2 mm |
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The Industry’s Smallest Size* Attained by Ultra-compact DIP40 Package
Schematic View: DBC Structure
The SIM2-151AB comes in an ultra-compact DIP40 package.
This package adopts the DBC (Direct Bonding Copper) structure to decrease its size (resin area) to 521 mm2 (35.7 mm x 14.6 mm).
The new product stands out for its package size, ≥40% smaller than that of our conventional IC (the SCM1272MA), and attains the industry’s smallest size*.
* Based on our survey as of January 20, 2023.
Package Guideline for High Voltage Motor Drivers
Enhanced Heat Dissipation
The SIM2-151AB employs the DBC (Direct Bonding Copper) structure in which components like a chip can be placed directly on a substrate.
This structure allows the product to fit into the compact package yet has smaller thermal resistance, resulting in a thermally enhanced performance.
Ensured Clearance/Creepage
The SIM2-151AB ensures sufficient insulation distance: a clearance of 2.788 mm (min.) between the high-voltage pins (COM－VB3), and a creepage of 4.334 mm (min.).
Precise Temperature Monitor
The SIM2-151AB incorporates the temperature sensing function.
This function monitors the junction temperature of the internal control IC using a temperature-sensing voltage that the VT pin outputs.
With a variation of ±1.6% in junction temperature over temperature sensing voltage, the product boasts its preciseness equivalent to that of thermistor-mounted devices.
Thermal Shutdown (TSD)
The SIM2-151AB has the thermal shutdown (TSD) function.
This function starts to operate when the internal control part exceeds the TSD operating temperature, TDH = 120 °C (typ.).
In addition, the TSD function is precisely designed so that the operating temperature varies within ±5 °C of its typical value.
