bh6948gu ROHM Co. Ltd., bh6948gu Datasheet - Page 3

• Manufacturer Part Number: bh6948gu
• Description: 7 X 7 Matrix Led Driver For Mobile Phone
• Manufacturer: ROHM Co. Ltd.

● Package Outline
● Block Diagram
DVDD1
DVDD2
DGND
GND
VREF12
GNDA
RSTB
DVER
CLK
IREF
DO
CE
DI
G5,G6,G7,
D5,E3,E4,
F6,F7,G4,
D3
D1
C4
C1
H1,H8
D4
D6
D7
D8
E7
E5
E6
E1
E8
VREF
VBAT
TEST1
D2
BGR /
IREF
A1
VREF
TEST2
SPI/IF
VBAT
A8
F8
TEST3
F1 E2 F2
OSC
C5
TEST4
SLOPE
TDMA
PWM
F3
G1
Charge pump
TEST5
x1, x1.5, x2
H6
G2
VBAT
H7
F4
TDMA
TEST0
Logic
H4
31mA /ch
1 mA step
BH6948
PWM
H5
T06
T05
T04
T03
T02
T01
T00
H2
TDMA
TDMA
TDMA
TDMA
TDMA
TDMA
TDMA
G8
CPOUTSW1
CPOUTSW
GNDLE3
CPOUT 1
CPOUT 2
GNDLE 2
LED7
LED6
LED5
LED4
LED3
LED2
LED1
SW7
SW 6
SW5
SW4
SW3
SW2
SW1
H3
G3
A2
B3
A5
C2
B1
B2
A3
B4
A4
A7
B5
B6
C7
C8
B8
B7
A6
C6
Lot No.
REV. B
● Terminal List
CPOUTSW１
BALL Name
FBGA62R1
CPOUTSW
VBATCP１
VBATCP3
VBATCP2
GNDLE2
GNDLE3
VBATCP
CPOUT2
CPOUT1
VREF12
GNDCP
DVDD1
DVDD2
TESTO
TEST1
TEST2
TEST3
VBAT1
TEST4
TEST5
GNDA
DGND
DVER
CPIN1
CPIN2
VREF
RSTB
LED1
LED7
LED6
LED2
LED3
LED5
LED4
SW3
SW1
SW7
SW5
SW4
SW2
SW6
IREF
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
C2M
C1M
GND
CLK
C2P
C1P
DO
CE
DI
FBGA62R1
BALL No.
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
C1
C2
C4
C5
C6
C7
C8
D1
D2
D3
D4
D5
D6
D7
D8
E1
E2
E3
E4
E5
E6
E7
E8
F1
F2
F3
F4
F6
F7
F8
G1
G2
G3
G4
G5
G6
G7
G8
H1
H2
H3
H4
H5
H6
H7
H8
Test terminal 1 (※ Please be sure connect to GND)
Power supply for SW1～7
P-MOS SW3 output
P-MOS SW1 output
P-MOS SW7 output
LED1 driver output
GND for LED1～3
Test terminal 2 (※ Please be sure connect to GND)
P-MOS SW5 output
P-MOS SW4 output
Power supply for SW1～7
P-MOS SW2 output
LED7 driver output
LED6 driver output
LED2 driver output
LED3 driver output
GND for VREF, IREF
P-MOS SW6 output
LED Constant Current Driver Current setting Terminal
Test terminal 3 (※ Please be sure connect to GND)
GND for LED4～7
LED5 driver output
LED4 driver output
Stabilization Power Supply for IREF, VSATDET, OSC
Power supply for BGR, VREF, SCP
Standard for OSC, VSATDET, IREF
Reset terminal
GND terminal
4 line serial interface CLK
4 line serial interfac DATAIN
GND for internal logic
Device version
Power supply for charge pump
GND terminal
GND terminal
4 line serial interface CE
4 line serial interface DATAOUT
Power supply for interface
Power supply for internal logic
Power Supply for Charge Pump Section
Power Supply for Charge Pump Section
TEST terminal 4 (※ Please be sure connect to GND)
Test output terminal (※ Please should be left open when used)
GND terminal
GND terminal
Power Supply for Charge Pump section
Power Supply for Charge Pump section Step-up Voltage Circuit
TEST terminal 5 (※ Please be sure to connect to VBAT)
Charge Pump section Constant Voltage Output
GND terminal
GND terminal
GND terminal
GND terminal
GND for Charge pump section
GND terminal
Charge Pump section Flying Capacitor2 on Side of Plus
Charge Pump section Constant Voltage Output
Charge Pump section Flying Capacitor1 on Side of Plus
Charge Pump section Flying Capacitor2 on Side of Minus
Power Supply for Charge Pump section Step-up Voltage Circuit
Charge Pump section Flying Capacitor1 on Side of Minus
GND terminal
FUNCTION
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