80310 datasheet(16/31 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

80310

FUNCTIONAL DEVICE OPERATION

STATE MACHINE

• All the blocks are on

• There is no regulation. DC=0%

After a 100 ms timeout, if the speed has not reached

fSTART, then the device goes back to Standby mode.

EXCITATION 100% DC:

When the speed has reached Start_aa, then the device

goes into this state until the high phase appears, or during a

100 ms maximum.

• The logic is out of reset.

• All the blocks are on.

• There is no regulation. DC = 100%

Start_aa (see Table 1): is a special threshold for the self-

start when it is in Wake-up mode, before going in EXC 100%

DC, waiting for high phase. Once high phase appeared the

state machine is exactly the same as with LIN wake-up

Start_aa can be programmed at 3000 rpm or 4000 rpm.

REGULATION WITH LRC:

In this mode, the 80310 regulates the alternator output to

the set reference level. The excitation is controlled by LRC, if

B+A is lower than VREG. DC can not be lower than DCMIN.

This LRC mode is active until the detection of phase stop

regulating RPM (fSTOP). In this case, the device goes back to

the Pre-excitation mode. If the phase frequency reaches the

LRC disable RPM default (fLRC), the device goes into

regulation without LRC.

REGULATION WITHOUT LRC:

This mode is active when the phase frequency is above

the LRC disable RPM default (fLRC), the first VREG was

reached with LRC.

The excitation is controlled only by the internal comparator

of B+A and VREG. The DC can not be lower than DCMIN.

If the phase frequency goes below the LRC disable RPM

default (fLRC), then the 80310 comes back to the regulation

with LRC mode. If the phase frequency goes below the phase

stop regulating RPM, the device goes to Pre-excitation mode.

RE-REGULATION:

The excitation is forced to 100%. This mode is active if

there is no high phase on non active phase (PHx < VPH) in

the previous cycle, until the high phase comes back. At the

end of the 8th cycle, if there is still no high phase, the

regulation mode is set to off and the device goes back to the

regulation mode, with or without LRC.

LIN BUS INFORMATION:

The operational control and programming, required in the

end application, is carried out through the LIN interface. Refer

to Tables 7 to 15.

The regulator shall only give pre-excitation when it

receives a LIN command targeted for it, the shutdown

command is the code that would otherwise set 10.6 V

(“000000”).

LIN addresses are listed in MID format, Table 8, while the

data fields are listed in [MSB:LSB] format

Table 10 lists the values for the Target/Programmed

Regulated voltage contained in the Alternator A/B write data

field (ID=29, 2A), byte 1.

Table 11 lists the values for the LRC Ramp Time and

Ramp Cut-off contained in the Alternator A/B write data field

(ID=29,2A), byte 2.

Table 12 lists the values for the die Temperature

contained in the Alternator A/B read data field (ID=11, 13),

byte 2.

Table 13 lists the values for the alternator Excitation

Current contained in the Alternator A/B read data field(ID=11,

13), byte 2, as well as the Excitation duty cycle contained in

the Alternator A/B read data field (ID=11, 13), byte1.

Table 14 lists values for the excitation Current Limit

contained in the Alternator A/B write data field (ID=29, 2A),

byte 3.

Table 15 lists the values for the alternator Manufacturer

and Class code contained in the Alternator A/Bread data field

(ID=12, 14), byte 1.

80310 数据表(PDF) 16 Page - Freescale Semiconductor, Inc

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