MC34704AEP Freescale Semiconductor, MC34704AEP Datasheet - Page 36

• Manufacturer Part Number: MC34704AEP
• Description: IC POWER MANAGEMENT 56-QFN
• Manufacturer: Freescale Semiconductor

Specifications of MC34704AEP

• Applications: Processor
• Current - Supply: 86mA
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-QFN
• Output Voltage: 5 V
• Input Voltage: 2.7 V to 5.5 V
• Switching Frequency: 750 KHz to 2 MHz
• Mounting Style: SMD/SMT
• Number Of Outputs: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

36
34704
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
REG2SET2
REG3SET1
REG3SET2
REG4SET1
REG4SET2
REG5SET1
REG5SET2
REG5SET3
REG6SET1
REG6SET2
REG6SET3
REG7SET1
REG7SET2
REG7SET3
REG8SET1
REG8SET2
REG8SET3
REG3DAC
REG7DAC
REG7CR0
Register
I2CSET1
FAULTS
ADDR
$0A
$0B
$0C
$0D
$0E
$0F
$07
$08
$09
$10
$11
$12
$13
$14
$15
$16
$17
$18
$19
$49
$58
$59
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
REG8MODE
ACCURATE
OVUVSET3
OVUVSET4
OVUVSET5
OVUVSET6
OVUVSET7
OVUVSET8
DVSSTAT2
DVSSTAT3
DVSSTAT4
DVSSTAT5
DVSSTAT6
DVSSTAT7
DVSSTAT8
DISCHG_B
DVSSET3
DVSSET4
DVSSET5
DVSSET6
DVSSET7
DVSSET8
Bit Name
SSSET5
SSSET6
SSSET7
SSSET8
3DACx
7DACx
FSW2
ILED
FLTx
EN
-
-
-
-
-
-
-
Bits
5:1
4:1
5:1
4:1
5:1
4:1
1:0
5:1
4:1
1:0
5:1
4:1
1:0
3:2
2:1
4:1
1:0
3:2
6:4
5:1
7:0
7:0
7:6
7:0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
DVS voltage level status flag
REG2 fault flags: Thermal SD, SC, ILim, UV and OV
Set REG3 response type to OV/UV
REG3 DVS value setting
DVS voltage level status flag
REG3 fault flags: Thermal SD, SC, ILim, UV and OV
Set REG4 response type to OV/UV
REG4 DVS value setting
DVS voltage level status flag
REG4 fault flags: Thermal SD, SC, ILim, UV and OV
Set REG5 response type to OV/UV
REG5 DVS value setting
REG5 Soft Start setting.
DVS voltage level status flag
REG5 fault flags: Thermal SD, SC, ILim, UV and OV
Set REG6 response type to OV/UV
REG6 DVS value setting
REG6 Soft Start setting.
DVS voltage level status flag
REG6 fault flags: Thermal SD, SC, ILim, UV and OV
Set REG7 response type to OV/UV
REG7 DVS value setting
REG7 Soft Start setting.
REG6, 7 8, Frequency setting
DVS voltage level status flag
REG7 fault flags: UV and OV
Set REG8 response type to OV/UV
REG8 DVS value setting
REG8 Soft Start setting.
Voltage or Current Regulation mode on REG8
LED string current configuration during current regulation mode
DVS voltage level status flag
REG8 fault flags: Thermal SD, SC, ILim, UV and OV
First Level fault register for REG1 through REG8
Accurate I2C communication mode enable
REG3 DAC reference voltage configuration for Fine voltage Scaling
Discharge enable for independent REG7 Control
Output Enable bits for Independent REG7 Control
REG7 DAC refence voltage configuration for REG7 Control
Description
Analog Integrated Circuit Device Data
Freescale Semiconductor