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Ordering number : ENA1382
LV8406T
Overview
Bi-CMOS IC
2ch Forward/Reverse Motor Driver
LV8406T is a 2-channel forward/reverse motor driver IC using D-MOS FET for output stage. As MOS circuit is used, it supports the PWM input. Its features are that the on resistance (0.75 typ) and current dissipation are low. It also provides protection functions such as heat protection circuit and reduced voltage detection and is optimal for the motors that need high-current.
Functions
* 2-channel forward/reverse motor driver. * Low power consumption. * Low-ON resistance 0.75. * Built-in low voltage reset and thermal shutdown circuit. * Four mode function forward/reverse, brake, stop. * Built-in charge pump.
Specifications
Absolute Maximum Ratings at Ta = 25C, SGND = PGND = 0V
Parameter Power supply voltage (for load) Power supply voltage (for control) Output current Output peak current Input voltage Allowable power dissipation Operating temperature Storage temperature Symbol VM max VCC max IO max IO peak VIN max Pd max Topr Tstg Mounted on a specified board* t 10ms VM1, VM2 Conditions Ratings -0.5 to 16.0 -0.5 to 6.0 1.4 2.5 -0.5 to VCC+0.5 3.1 -20 to +85 -55 to +150 Unit V V A A V W C C
* Specified board : 90mm x 90mm x 1.6mm, glass epoxy 2-layer board (2S0P).
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment.
D1008 MS 20081201-S00005 No.A1382-1/6
LV8406T
Allowable Operating Conditions at Ta = 25C, SGND = PGND = 0V
Parameter Power supply voltage (VM pin) Power supply voltage (VCC pin) Input signal voltage Input signal frequency Symbol VM VCC VIN f max Conditions Ratings 1.5 to 15.0 2.8 to 5.5 0 to VCC 200 Unit V V V kHz
Electrical Characteristics Ta = 25C, VCC = 3.0V, VM = VS = 6.0V, SGND = PGND = 0V, unless otherwise specified.
Parameter Standby load current drain Standby control current drain Standby load current drain2 Operating control current drain High-level input voltage Low-level input voltage High-level input current (EN1, EN2, IN1, IN2, IN3, IN4) Low-level input current (EN1, EN2, IN1, IN2, IN3, IN4) Pull-down resistance value Charge pump voltage Output ON resistance 1 RDN VG RON1 EN1, EN2, IN1, IN2, IN3, IN4 VCC + VS Sum of top and bottom sides ON resistance. Output ON resistance 2 RON2 Sum of top and bottom sides ON resistance. VCC = 2.8V Low-voltage detection voltage Thermal shutdown temperature Output block Turn-on time Turn-off time VCS Tth TPLH TPHL VCC pin voltage is monitored Design guarantee value * 6 7 8 8 2.15 150 2.30 180 0.2 0.2 2.45 210 0.4 0.4 V C S S 5 1.0 1.5 5 100 8.5 200 9.0 0.75 400 9.5 1.2 k V IIL1 VIN = 0V 4 -1.0 A Symbol IMO ICO IMO2 IC1 VIH VIL IIH1 EN = 0V EN = IN1 = IN2 = IN3 = IN4 = 0V VCC = 0V, VM = VS = 6V EN = 3V, with no load 2.7 VCC 5.5V 2.7 VCC 5.5V VIN = 3V 4 3 0.6xVCC 0 15 0.85 Conditions Remarks min 1 2 Ratings typ max 1.0 1.0 1.0 1.2 VCC 0.2xVCC 25 A A A mA V V A Unit
* : Design guarantee value and no measurement is preformed.
Remarks 1. Current consumption when output at the VM pin is off. 2. Current consumption when the VCC pin when in standby mode. 3. Current consumption at the VCC pin when EN is 3V (standby mode). 4. Pins EN1, 2, IN1, 2, 3, and 4 are all pulled down. 5. Sum of upper and lower saturation voltages of OUT pin divided by the current. 6. All power transistors are turned off if a low VCC condition is detected. 7. All output transistors are turned off if the thermal protection circuit is activated. They are turned on again as the temperature goes down. 8. Rising time from 10 to 90% and falling time from 90 to 10% are specified.
No.A1382-2/6
LV8406T
Package Dimensions
unit : mm (typ) 3279
4,0
Pd max -- Ta
Specified board: 90x90x1.6mm3 glass epoxy 2-layer (2S0P) with components mounted on the exposed die-pad board.
TOP VIEW 6.5 20 11
BOTTOM VIEW
Allowable power dissipation, Pd max -- W
3.1 3.0
4.4
6.4
2.0
0.5
1 0.65 (0.33) 0.22
10 0.15
1.61 1.0
Exposed Die-Pad
SIDE VIEW
1.2max
(1.0)
0 -30 -20
0
20
40
60
80 85
100
Ambient temperature, Ta -- C
0.08
SANYO : TSSOP20J(225mil)
Substrate Specifications (Substrate recommended for operation of LV8406T) Size : 90mm x 90mm x 1.6mm (2-layer substrate [2S0P]) Material : Glass epoxy Copper wiring density : L1 = 95% / L2 = 95%
L1 : Copper wiring pattern diagram
L2 : Copper wiring pattern diagram
Cautions 1) The data for the case with the Exposed Die-Pad substrate mounted shows the values when 90% or more of the Exposed Die-Pad is wet. 2) For the set design, employ the derating design with sufficient margin. Stresses to be derated include the voltage, current, junction temperature, power loss, and mechanical stresses such as vibration, impact, and tension. Accordingly, the design must ensure these stresses to be as low or small as possible. The guideline for ordinary derating is shown below : (1)Maximum value 80% or less for the voltage rating (2)Maximum value 80% or less for the current rating (3)Maximum value 80% or less for the temperature rating 3) After the set design, be sure to verify the design with the actual product. Confirm the solder joint state and verify also the reliability of solder joint for the Exposed Die-Pad, etc. Any void or deterioration, if observed in the solder joint of these parts, causes deteriorated thermal conduction, possibly resulting in thermal destruction of IC.
No.A1382-3/6
LV8406T
Pin Assignment
VG 1 VM1 2 OUT1 3 OUT2 4 20 C1H 19 C1L 18 SGND 17 VS
LV8406T
PGND 5 PGND 6 OUT3 7 OUT4 8 VM2 9 IN4 10
16 EN1 15 IN1 14 IN2 13 VCC 12 EN2 11 IN3
Top view
Block Diagram
VCC VM1 OUT1
Startup control block
Thermal Protection Circuit
OUT2
Reducedvoltage Protection Circuit EN1 EN2 Motor control Logic IN1 IN2
VM2 OUT3
OUT4
PGND IN3 IN4 Charge pump VCC+VS
VS C1H
C1L
VG
* Connect a kickback absorption capacitor as near as possible to the IC. Coil kickback may cause increase in VM line voltage, and a voltage exceeding the maximum rating may be applied momentarily to the IC, which results in deterioration or damage of the IC * The pin VS is a terminal that supplies a source power supply of the charge pump circuit. The charge pump voltage, VG = VS + VCC is generated. Apply the high voltage of VM1 or VM2.
No.A1382-4/6
LV8406T
Truth Table
EN1 (EN2) IN1 (IN3) H H H L L L IN2 (IN4) H L H L OUT1 (OUT3) L H L Z Z OUT2 (OUT4) L L H Z Z OFF ON Charge pump Mode Brake Forward Reverse Standby All function stop
- : denotes a don't care value. Z : High-impedance
* The charge pump is always activated as long as VCC is applied. * All power transistors turn off and the motor stops driving when the IC is detected in low voltage or thermal protection mode. Pin Functions
Pin No. 20 1 17 Pin name C1H VG VS Charge pump source voltage supply pin. Description Step-up capacitor connection pin. Equivalent circuit
VS
VG
C1H
19
C1L
Step-up capacitor connection pin.
VCC C1L
Internal OSC
16 12 15 14 11 10 3 4 7 8
EN1 EN2 IN1 IN2 IN3 IN4 OUT1 OUT2 OUT3 OUT4
Logic enable pin. (Pull-down resistor incorporated) Driver output switching.
VCC
200k
Driver output.
VM
OUT
OUT
PGND
2 9 13 18 5 6 VM1 VM2 VCC SGND PGND PGND Logic block power supply. Control block ground. Driver block ground. Motor block power supply.
No.A1382-5/6
LV8406T
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This catalog provides information as of November, 2008. Specifications and information herein are subject to change without notice. PS No.A1382-6/6

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