M61048FP

www.DataSheet4U.com M61048FP Battery Protection Analog Front End (AFE) IC REJ03F0129-0100 Rev.1.00 Mar 04, 2005 Description The M61048FP is intended to be used as SB: Smart Battery. All functions needed for SB are packed to this M61048FP. The combination use with microcomputer such as M37512 will give various functions such as a detection of SB Remaining Capacity. The reset circuit and the linear regulator for Vcc/Vref of microcomputer are dedicated in M61048FP. So this will help easy design of power circuit design of SB. Features All FETs are controlled by microcomputer Built-in low dropout series regulator for microcomputer Built-in battery voltage monitor circuit of each battery cell Built-in output selector, which outputs the voltage each selected battery cell Built-in discharge circuit of each battery cell Built-in voltage detection circuit of each battery cell Built-in FET OFF function controlled by microcomputer Various powers saving function to reduce total power dissipation 3-wire serial data transfer system for communication from microcomputer High Input Voltage Device (Absolute Maximum Rating: 33 V) CMOS monolithic IC Application Smart Battery System Block Diagram VCC VIN12 CFET PCFET DFET VREG Series regulator FET control circuit DFETCNT CFETCNT RESET Reset circuit Battery cell voltage detection circuit VIN1 VIN2 VIN3 VIN4 GND Battery cell 1-4 voltage analog output CS CK DI Serial to Parallel conversion circuit ANALOG Multiplex...