MAX77932C

8A Dual-Phase Switched-Capacitor Converter

Industry's Highest-Efficiency, lowest IQ Inductorless DC-DC Converter for 2S Li+ Batteries in a Tiny 7mm2 WLP Package


点击查看特定型号的库存状况。

说明

The MAX77932C is a standalone, dual-phase switched-capacitor converter with integrated power switches that delivers 8A output current and divides the input voltage by two. The IC is suitable for applications that utilize 2S Li+ batteries while powering circuitry that operates at 1S-equivalent voltage. It is also suitable for applications migrating from 1S to 2S battery configurations. The IC simplifies this migration by converting the 2S battery voltage to 1S-equivalent output and allows designers to preserve the existing downstream 1S power architecture.

The inductorless switched-capacitor converter topology of the IC shrinks the overall footprint and reduces the maximum height of the circuit. Its high switching frequency, up to 1.5MHz, reduces the size and number of capacitors required, further minimizing the solution footprint. The IC ensures safe operation with integrated overvoltage, undervoltage, overcurrent, and thermal protection, and also minimizes EMI with built-in frequency dithering. In addition to the small solution size, lower EMI, and protection features, the ICs class-leading peak efficiency of 98.5% simplifies thermal design and makes it ideal for consumer, medical, and industrial applications.

The IC features an I2C compatible, 2-wire serial interface consisting of a bidirectional serial data line (SDA) and a serial clock line (SCL). The IC supports SCL clock rates up to 3.4MHz. The converter parameters such as OCP, OVLO or UVLO thresholds, switching frequency, soft-start current, and duration are easily adjustable through the I2C interface. The IC consumes a low quiescent current of 30μA when operating and 4μA in shutdown. The IC is available in a tiny, lead-free 0.4mm pitch, 2.4mm x 2.8mm 42-pin wafer-level package (WLP).
MAX77932C: Simplified Block Diagram MAX77932C: Simplified Block Diagram 放大+

关键特性

  • ​8A Switched Capacitor Converter
  • 2S to 1S Battery Voltage Conversion (VOUT = VIN/2)
  • Integrated Power Switches
  • Low IQ: 30μA Operating, 4μA Shutdown
  • Soft-Start with Programmable Current and Timeout
  • Programmable Input Overvoltage Lockout
  • Programmable Output Overvoltage Lockout
  • Programmable Overcurrent Protection
  • Programmable Switching Frequency 0.25MHz to 1.5MHz
  • Thermal Alarm and Protection
  • Chip Enable Input
  • Power Good Indicator Output
  • Frequency Dithering
  • I2C Interface with Interrupt

应用

  • null
  • null
  • null
  • null
  • null
  • null
  • null
  • null
  • null
  • null
  • null

请查看具体的参数规格 Charge Pumps (46)


Part NumberTopologyVIN
(V)
VIN
(V)
ICC
(mA)
Unadj. VOUT
(V)
IOUT
(A)
Oper. Temp.
(°C)
Package/PinsBudgetary
Price
(min)(max)(max)(typ)(See Notes)
MAX77932C NEW!
Divider
Unregulated
4.1110.03VIN/28-40 to +85
WLP/42
$1.38 @1k

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

MAX77932EVKIT: Evaluation Kit for the MAX77932C
申请可靠性报告: MAX77932C 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

质量管理体系 >
环境管理体系 >

 
Status:
Package:
Temperature:

相关资料


MAX77932C
8A Dual-Phase Switched-Capacitor Converter

  • ​8A Switched Capacitor Converter
  • 2S to 1S Battery Voltage Conversion (VOUT = VIN/2)
  • Integrated Power Switches