ISM6636A/B/C High Power Density Synchronous Step-down Converter Module with Integrated Controller, Highest Peak Current Up to 8A
Under the demand of high space utilization rate and strong power supply capacity of electronic products, the inductors placed outside the switching power supply chip and many peripheral parameter adjustment devices are undoubtedly a big obstacle to the compression of the circuit board space. To this end, Innovision Semiconduct Inc. launched A 6A DC step-down power module with the smallest volume in the industry- - -ISM6636x (where x represents A, B, C).
Product overview
ISM6636A/B/C is a high power density synchronous step-down converter module with integrated controller, MOS tube and inductor capacitor. The highly compact load point module adopts 3.3mm 3.3mm 1.45mm micro package, supports 4.5V~16V input, output supports 0.6V~5V, highest peak current up to 8A, and continuous working current up to 6A. ISM6636A/B/C also has an I2C digital communication interface, which can quickly obtain the output voltage, output current, temperature and other information through the I2C programming. ISM6636A/B/C has fully integrated protection functions, including pre-bias start (Pre-bias), soft start protection (SS), positive current over current protection (OCP), negative current over current protection (NOCP), output over voltage protection (OVP), output under voltage protection (UVP), and over temperature protection with automatic recovery (OTP).
Key property
Wide VIN input voltage range: 4.5V~16V internal bias or 2.5V~16V external bias VCC voltage
The output voltage range is 0.6V to 5V
6A Continuous output current
No external components are required
Programmable operation I2C digital communication interface
Excellent load and linear voltage stability rate, with a voltage accuracy of 1%
Module temperatures range from-40℃ to 125℃
Built-in OCP, NOCP, OVP, UVLO, and OTP
Accord with ROHS
The MSL 3 wet sensitivity level
Technical features
The chip and inductors adopt vertical structure, which effectively reduces the chip area and improves the utilization rate of PCB.
High integration makes the application design extremely simple and convenient, increasing the application stability and reliability.
High efficiency supports the maximum 6A continuous current to meet various application requirements.
With I2C communication interface, change the output voltage online, detect the output current and chip temperature.
Smaller application volumes
1. Micro-packaging
ISM6636x Can support continuous 6A with carrying current, while its package size is only 3.3mm*3.3mm*1.45mm. The module puts the chip, output inductor, bootstrap capacitor and VCC capacitor in one module through the layout mode of vertical structure, which greatly reduces the PCB space occupied by the power supply chip.
2. Minimalist periphery
ISM6636x The module has only 14 pins, and most module parameters can be modified through IIC editing. The following figure is a schematic example of the ISM6636x module. In addition to the necessary input capacitor and output capacitors, only 6 external resistance components (including PGOOD, I2C pull high resistance) are needed.
Programmable function is perfect
Although the sparrow is small, it has all the internal organs. Although the number of peripheral devices is small, users can modify the internal parameters through the I2C digital communication interface, which greatly facilitates the design work of the R & d staff.
1. The module has 48 user-programmable registers
The module provides 48 user-programmable registers to meet the user's independent regulation of the chip parameters, making the use more flexible and convenient.
2. Perfect chip protection function
The chip has the chip protection functions of the OCP, N OCP, OVP, UVLO and OTP. Users can modify some of the chip protection point parameters through IIC.
① Set the overcurrent protection point through the I2C interface. The overcurrent protection point can be adjusted to three different values of 4A / 6A / 8A.
② Set the output voltage overvoltage protection point through the I2C interface. The overpressure protection can be adjusted to four different values: 105%, 110%, 115%, and 120% of Vout.
③ Set the overtemperature protection point through the I2C interface. With the overtemperature protection function of automatic recovery, the register can be adjusted to 75℃ / 85℃ / 125℃ / 145℃ four different overtemperature values.
3. Display the working status of the chip in real time
Real-time detection of the chip voltage, current, temperature and other conditions, to facilitate the management and maintenance of the system.
4. I2C becomes chip-enabled
With the I2C control chip, the module can work or close through the I2C interface.
Good electrical characteristics
ISM6636x Support 4.5-16V input, 0.6-5V output, rated band load of 6A. The chip has good electrical characteristics:
1. High efficiency: the highest efficiency can reach more than 90%
2. The accuracy of the load adjustment rate is within 0.5%
3. Very low ripple voltage (~10mV)
VOUT Ripple LOAD=6A
COUT=44μF
4. Good and dynamic performance
LOAD Range: 1.8-6A
Frequency：5KHz
Vpk-pk= 28.6mV
5. Wide range of applications
ISM6636x The operating temperature range is-40℃ to 85℃, which can be used for servers, workstations, communication equipment, industrial computers and other occasions.
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本文由叫我大表哥吧转载自Innovision Semiconductor News，原文标题为:ISM6636x- The smallest 6A DC buck power module in the industry，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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产品型号
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品类
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Vout(V)
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Vin(V)
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Iout(A)
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ISM6401A
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电源模块
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0.6V~5V
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2.5V~16V
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8A
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