1/4 Structure Silicon Monolithic Integrated Circuit Product 7 x 7 Matrix LED DRIVER for Mobile Phone Type BH6948GU Figure 1. Highly effective Charge Pump circuit that can be switched 1 time, 1.5 times, and 2 times pressure automatically. (190mA / MAX) 2. 7-channel LED DRIVER that can contorol PWM (IoMAX = 31mA/ch, Current step = 1mA) 3. 7-channel PMOS-SW controlled with 1/8TDMA 4. It is possible to make 49(7X7) LED shine by PMOS-SW and the LED driver 5. SPI Interface 6. Wafer Level CSP pacage for space constrained applications 62pin (4.1mm4.1 mm height = 1.0mm-max) Absolute Maximum Ratings (Ta = 25) Parameter Symbol Rating Unit Maximum Supply Voltage V 5.5 V MAX Power Dissipation Pd 1.47 W Operating Temperature Range T -30+85 opr Storage Temperature Range T -55+125 stg When using more than at Ta=25, it is reduced 14.7mW per 1. When RHOM specification board 50mm X 58mm mounting. Cautions : A device may be destroyed when it is used on the conditions beyond this value. Moreover, the usual operation is not guaranteed. Operating Conditions Parameter Symbol Range Unit Block VBAT1 Voltage 1 V V VREF/BGR BAT1 3.154.5 VBATCP Voltage 1 V V DCDC BATCP DVDD1 Voltage 2 V 1.73.1 V I/O DVDD1 DVDD2 Voltage 2 V 2.73.1 V Logic DVDD2 1 49LED lighting 2 DVDD1 DVDD2 This product is not especially designed to be protected from radioactivity. Status of this document. The Japanese version of this document is the formal specification. A customer may use this translation version only for reference to help reading the formal version. If there are any differences in translation version of this document, formal version takes priority. REV. B 2/4 Electrical Characteristics (Unless otherwise specified, Ta=25,VBAT1=VBATCP=VBATCP1-3=3.6V,DVDD1=1.8V,DVDD2=2.85V) Spec Parameter Symbol Units Condition MIN TYP MAX Stand-by Circuit Current I - 0 8.8 uA Stand-by mode (RSTB=H) ST DC-DC Converter Current1 I - 0.93 1.4 mA 1times mode QCP1 Circuit Current DC-DC Converter Current2 I - 6.4 9.6 mA 1.5times mode (CPOUT=4.75V) QCP2 DC-DC Converter Current3 I - 4.8 7.2 mA 2times mode (CPOUT=4.75V) QCP3 CPOUT Voltage1 V 4.55 4.75 4.95 V 1.5times mode No Load CP1 1.5times mode, VCPOUT>4V CPOUT Output Current1 I - - 190 mA CP1 49 LED lighting CPOUT Voltage2 V 4.55 4.75 4.95 V 2.0times mode No Load CP2 2.0times mode, VCPOUT>4V CPOUT Output Current2 I - - 190 mA CP2 49 LED lighting DCDC CPOUT Voltage3 V 5.1 5.3 5.5 V 1.5times mode No Load CP3 Converter 1.5times mode, VCPOUT>4V CPOUT Output Current3 I - - 190 mA CP3 49 LED lighting CPOUT Voltage4 V 5.1 5.3 5.5 V 2.0times mode No Load CP4 2.0times mode, VCPOUT>4V CPOUT Output Current4 I - - 190 mA CP4 49 LED lighting Oscillator Frequency fosc 0.96 1.20 1.44 MHz Leak Current when OFF When PMOS Switch I - - 7.0 A LEAKP (SW17 total) 35H(MATRIXCNT)bit0(START)=0 Output Current1 I -8.5 - +8.5 % I=1mA Setting O Output Current23 I -8.0 - +8.0 % I=23mA Setting O2 % Output Current431 I -7.0 - +7.0 I=431mA Setting O4 Current Driver I=13mA Setting, (Lo-Mode, Output Current matching1 Mat1 - - 11.5 % Mat1=(IoMax-IoMin)/IoMinx100 LED1~7) I=431mA Setting Output Current matching2 Mat2 - - 10 % Mat2=(IoMax-IoMin)/IoMinx100 Leak Current when OFF When I - - 7.0 uA LEAK (SW17 total) 35H(MATRIXCNT)bit0(START)=0 PWM on duty1 PWMD1 1.54 5.04 8.54 % PWM17SET=5digit Current Driver (RGB with PWM PWM on duty2 PWMD2 43.7 47.2 40.7 % PWM17SET=32digit LED1~7) PWM on duty3 PWMD3 84.6 88.1 91.6 % PWM17SET=58digit UVLO Threshold V 2.0 2.25 2.6 V VBAT falling UVLO Under Voltage Lockout UVLO Hysteresis V 50 100 150 mV UVLO Soft-Start SS Mode Time T 1.6 2.0 2.4 ms SS SCP Threshold V 1.0 1.2 1.4 V CPOUT falling SCP Short Circuit Delay Time T 8 10 12 mS DLY Protector Reset Time T 80 100 120 mS RST Over Current OCP Threshold I - 790 - mA OCP Protector Over Voltage OVP Threshold Vovp 5.50 5.62 5.74 V Protector LED Dropout Detect Voltage V 0.36 0.40 0.44 V DR Detector DVDD1 Input H Level V 1.4 - V IH +0.3 Input L Level V -0.3 - 0.4 V IL SPI I/F H Level Input Current I - 0 1 uA IH L Level Input Current I - 0 1 uA IH DVDD1 Input H Level V 1.4 - V IH +0.3 Input L Level V -0.3 - 0.4 V IL RSTB H Level Input Current I - 0 1 uA IH L Level Input Current I - 0 1 uA IL REV. B