MC34704AEP Freescale Semiconductor, MC34704AEP Datasheet - Page 34

• 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

ACCURATE I
communication mode (ACCURATE). Setting this bit enables
the Accurate mode in which each command and data should
be sent 2 times to avoid false commands.
USER ACCESSIBLE FLAG REGISTERS
Cold Start Flag
that the power up was a result of battery insertion and not
through ONOFF pin. This flag should be cleared after power
up by the processor.
Shutdown Flag
processor if a shutdown signal is received through the
ONOFF pin and a programmable time period with a default of
1sec has elapsed.
34
34704
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
The 34704 assigns 1 bit to enable the Accurate I
The 34704 assigns 1 bit (COLDF) to flag the processor
The 34704 assigns 1 bit (SHUTDOWN) to flag the
I
I
I
I
I
I
I
LED Current
I
I
I
I
I
I
I
I
I
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
* (10/16)
* (11/16)
* (12/16)
* (13/16)
* (14/16)
* (15/16)
(Default)
* (1/16)
* (2/16)
* (3/16)
* (4/16)
* (5/16)
* (6/16)
* (7/16)
* (8/16)
* (9/16)
2
C COMMUNICATION MODE
/ONOFF (Default)
Battery Insertion
Normal (Default)
Cold Start Flag
/ONOFF Status
Shutdown
MSB
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
bit
bit
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
2
C
LSB
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Dynamic Voltage Scaling Status Flag
(DVSSTATx) to flag to the processor that the desired output
voltage level set with the DVSSETx bits has been reached.
USER ACCESSIBLE FAULT REGISTERS
Over-current Fault Register
indicate a fault due to over-current limit, where x corresponds
to each regulator from REG1 to REG8, except REG7
Short-circuit Fault Register
indicate a fault due to short-circuit current limit, where x
corresponds to each regulator from REG1 to REG8, except
REG7
Over-voltage Fault Register
indicate a fault due to over-voltage limit, where x corresponds
to each regulator from REG1 to REG8
Under-voltage Fault Register
indicate a fault due to under-voltage limit, where x
corresponds to each regulator from REG1 to REG8.
Thermal Shutdown Fault Register
In addition and for each regulator, 34704 assigns 1 bit
The 34704 assigns 1 bit for each regulator (ILIMFx) to
The 34704 assigns 1 bit for each regulator (SCFx) to
The 34704 assigns 1 bit for each regulator (OVFx) to
The 34704 assigns 1 bit for each regulator (UVFx) to
DVS Not Done
DVS STATUS
DVS Done
Analog Integrated Circuit Device Data
ILIMF
False
False
False
True
True
OVF
True
False
SCF
True
UVF
Freescale Semiconductor
bit
bit
bit
bit
0
1
0
1
0
1
0
1
bit
0
1