TD6304AP - Toshiba America Electronic Components, Inc.

TD6304,08AP

2002-10-30

TOSHIBA Bipolar Digital Integrated Circuit Silicon Monolithic

TD6304AP,TD6308AP

Auto Reverse & Auto Eject

Plunger Driver

TD6304AP, TD6308AP are IC developed for auto reverse / auto

eject on a car stereo.

There are two methods for driving the plunger; one is to drive it

after motor rotation detecting signal is stopped and the other is to

drive it optionally by program switch.

Further, this IC can be used as a solenoid driver in the control

circuit of a stereo, remote control system and other electric

accessories.

Features

· Plunger driving output transistor is built in.

No.6 pin output IOUT = 200mA (VCE (sat) = 0.7V (max.))

· Manual operation by program switch is possible.

· Time for output pulse generation after rotation detecting

signal is stopped and output pulse width are variable by

external mounted capacitor and resistor. (Duty cycle of

output pulse is set inside IC)

· A load dump circuit is built in for protection from

overvoltage.

· Operating supply voltage VCC (opr) = 8~16 V

(7 pin voltage)

· TD6304AP is 1 / 4 duty cycle.

· TD6308AP is 1 / 8 duty cycle.

Pin Connection (side view)

Weight: 0.7g (typ.)

TD6304,08AP

2002-10-30

Block Diagram

Pin Description

Pin No. Symbol Designation Function

1 Prog

Program

switch

terminal

Terminal used for forcing plunger output on regardless of state of

rotation detecting output / input.

However, one output only is transmitted per operation.

2 Input

Rotation

detecting

signal input

terminal

Rotation detecting pulse input terminal. Plunger output is

transmitted at certain time after input is stopped.

3 OSC

Oscillator

terminal

Terminal used for connecting oscillation capacitor and

resistor for setting response time and driving time of

plunger output, when COSC = 0.22µF, ROSC = 30kΩ,

fOSC≒500Hz is attained.

5 E-out

Emitter

output

terminal

Emitter output of output transistor is transmitted. Further,

this terminal is used for darlington connection with an

externally mounted transistor. This terminal is normally

earthed to GND through a resistor.

6 Out

Plunger

output

terminal

Plunger driving output terminal. Vsat = 0.7V and

IOUT = 200mA are transmitted when 5 pin is earthed.

(open collector)

7 VCC Power terminal Supply voltage VCC = 8.0~16.0V is applied.

4 GND Earth terminal For grounding

TD6304,08AP

2002-10-30

Outline Of Function

(1) How to decide oscillator frequency

OSC and ROSC are an externally mounted resistor and capacitor deciding oscillator frequency,

respectively.

TOSC can be calculated from above calculating formula, but when TOSC - ROSC graph is used, COSC and

ROSC deciding desired oscillator frequency can be selected easily.

(2) Plunger output when pulse input is stopped.

Output wave form and timing are as follows.

(a) In case of TD6304AP

1: Plunger response time typical 0.75s (when fOSC≒500Hz)

2: Plunger drive time typical 0.25s (when fOSC≒500Hz)

Above T1 and T2 can be calculated from the following formula:

1 = 4

3× 512 × TOSC〔s〕

2 = 4

1× 512 × TOSC〔s〕

(b) In case of TD6308AP

1: Plunger response time typical 0.88s (when fOSC≒500Hz)

2: Plunger drive time typical 0.12s (when fOSC≒500Hz)

1 and T2 can be calculated from the following formula:

1 = 8

7× 512 × TOSC〔s〕

2 = 8

1× 512 × TOSC〔s〕

TD6304,08AP

2002-10-30

Externally mounted capacitor and resistor for plunger response time T1 and plunger drive time T2

can be easily selected when T1, T2 - COSC, ROSC graphs are used. For instance, in case of

TD6304AP, if it is desired to set plunger response time T1 at 1s, when COSC = 0.47µF is used at

plunger response time shown by dotted line, ROSC is approx. 20kΩ and the plunger drive time T2

shown by solid line will be 0.34s.

Other COSC can also be selected in the same manner.

When COSC = 0.33µF, ROSC≒30kΩ, T2≒0.34s

When COSC = 0.22µF, ROSC≒47kΩ, T2≒0.34s

and values of T1 and T2 do not change even when C and R constants are changed.

T 1 and T2 of TD6308AP can be selected in the same manner as in TD6304AP.

Duty cycle is, TD6304AP T1: T2 = 3 : 1

TD6308AP T1: T2 = 7 : 1

(3) Plunger output when program switch is operated.

Output wave form and timing are as follows.

2: Plunger drive time

In case of TD6304AP, T2 is 0.25s (when fOSC≒500Hz)

In case of TD6308AP, T2 is 0.12s (when fOSC≒500Hz)

Actually, output is transmitted only one time within 50ms after program switch is operated.

TD6304,08AP

2002-10-30

Maximum Ratings (Ta = 25°C)

Characteristic Symbol Rating Unit

Supply voltage VCC 30 V

Output voltage VOUT 30 V

Output current IOUT 400 mA

Power dissipation PD 400 mW

Operating temperature Topr -30~75 °C

Storege temperature Tstg -55~150 °C

Electrical Characteristics (unless otherwise specified, VCC = 13.2V, Ta = 25°C)

Characteristic Symbol

Test

Cir-

cuit

Test Condition Min. Typ. Max. Unit

Operating supply voltage VCC ― Ta = -30~75°C 8.0 ― 16.0 V

ICC1 3 Plunger on 7.5 13.0 20.0 mA

Supply current

ICC2 4 Plunger off 3.6 5.0 8.0 mA

Plunger output current IOUT 5 VCE (sat) = 0.7V 200 ― ― mA

Saturation voltage

between collector and

emitter

VCE (sat) ― Test for pins no.6 & no.5

IOUT = 400mA ― ― 1.5 V

"L" level IIL 1 VIL = 0 60 ― 130 µA

Input current

"H" level IIH 2

Test for pins

no.1 & no.2 VIH = 13.2V ― ― 5.0 µA

"H" level VIH 6 2.5 ― V

CC V

Rotary detecting

input voltage "L" level VIL 6

Input signals of no. 2 pins

― ― 0.8 V

Oscillator frequency fOSC ― C = 0.22µF, R = 30kΩ ― 500 ― Hz

TD6304AP ― 0.75 ―

Plunger

response time TD6308AP

T1 ― f

OSC = 500Hz

― 0.88 ―

TD6304AP ― 0.25 ―

Plunger

driving time TD6308AP

T2 ― f

OSC = 500Hz

― 0.12 ―

TD6304,08AP

2002-10-30

Test Circuit

(Note) Output should be off (Note) When output is on, take a

measurement with switch "S"

opened.

(Note) When output is on, open (Note) Add the following pulse to VIN.

switch "S" and measure current

IOUT that flows when V = 0.7V

is applied to no.6 pin.

Adding VIN pulse to no.2 pin,

check if LED is illuminated.

TD6304,08AP

2002-10-30

TD6304,08AP

2002-10-30

TD6304,08AP

2002-10-30

Cautions In Use

To prevent troubles during use and improve reliability, following cautions shall be observed.

1. This IC shall be used within max. Rating. In particular, when there is the possibility for applicating of surge

voltage, this IC shall be so protected that it is kept in max. rating.

2. Except no.4 pin (GND terminal), all terminals shall be used in a range of positive potential against no.4 pin.

3. A capacitor externally mounted to no.3 pin (OSC terminal) should have excellent temperature and frequency

characteristics.

4. To protect IC from surge voltage on power line, a resistor (100Ω or above) and capacitor (10µF or above) shall

be connected to no.7 pin.

5. When the plunger is connected to the output circuit, diode shall be connected to both leads of the plunger to

protect IC from counter electromotive force when power is turned off.

Application Circuit

1. Auto reverse

2. Auto eject

(*) External mounted capacitor with less equivalent series resistance is recommended.

TD6304,08AP

2002-10-30

Package Dimensions

Weight: 0.7g (typ.)

TD6304,08AP

2002-10-30

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