99W063A Charging control driver IC for Portable telephone BH3890FV Dimension Description (Units : mm) The BH3890FV is a charging IC developed for a lithium ion battery (1 cell). Back-up charging circuit and charging current monitor circuit are included. This IC is directed by a micro computer controller. Features 1) Built-in charging driver circuit 2) Built-in charging current monitor circuit 3) Built-in back-up charging circuit 4) Small package SSOP-B8 Applications SSOP-B8 Portable telephone, PHS, equipment involving lithium ion battery Absolute Maximum Ratings (Ta=25C) Parameter Maximum supply voltage Power dissipation Symbol Limits Unit VCCMAX -0.3 ~ +7.0 V * mW ~ +70 C 300 Pd Operating temperature range Topr -20 Storage temperature range Tstg -55 ~ +125 C * Derating : 3.0mW/C for operation above Ta=25C. Recommended Operating Conditions (Ta=25C) Parameter Power supply voltage Symbol Min. Typ. Max. Unit VCC 5 -- 6 V November, 1999 Electrical Characteristics (Unless otherwise noted, Ta=25C, Vcc= 5.5V, BPF=20 ~ 20kHz) Min. Typ. Max. Parameter Symbol <VCC circuit current> Circuit current 1 IQ1 -- 530 800 Circuit current 2 IQ2 -- 1.0 1.7 Circuit current 3 IQ3 -- 1.4 2.1 <BATV circuit current> (Current influx into BATV terminal ) Circuit current 4 IQ4 -- 0 5 <CURRENT> Output voltage 1 Output voltage 2 Coefficient of output voltage inclination Ripple rejection rate A Conditions mA mA CHG1=OFF, CHG2=OFF CHG1=ON, REG=No load CHG2=ON, CHARGE section=No load A CHG1=OFF, CHG2=OFF, Vcc=0V BATV=4.0V VOC1 VOC2 2.37 0.44 2.57 0.54 2.77 0.64 V V VBATVH-VBATV=150mV VBATVH-VBATV=0V LINC 12.7 13.5 14.3 -- LINC=(VOC1-VOC2) / 0.15 RRC 30 40 -- dB VR=-20dBV, fR=100Hz, VBATVH=4.215V, VBATV=4.2V -- -- 3.5 V VCC (VOC2 0.4V) 4.35 30 10 4.45 40 15 4.55 -- 20 V dB mA VR=-30dBV, fR=100Hz, IO=5mA VOR 4.0V 4.15 30 -- -- 4.20 40 5 5 4.25 -- 30 30 V dB mV mV IO=100mA VR=-20dBV, fR=100Hz, IO=100mA IO=1~800mA VCC=5.0~6.0V, IO=100mA Starting up voltage VCCST <REG> (CHG1=ON, CHG2=OFF) Output voltage VOR Ripple rejection rate RRR Maximum output current IORMAX <CHARGE> (CHG1=OFF, CHG2=ON) Control voltage VOB Ripple rejection rate RRB Load regulation VOB1 Input voltage stability VOB2 Application circuit Unit IO=5mA