TB6560AFG Toshiba, TB6560AFG Datasheet

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TB6560AFG

Manufacturer Part Number
TB6560AFG
Description
Manufacturer
Toshiba
Datasheet

Specifications of TB6560AFG

Function
Driver
Vopmax (vm*)
34V (40V)
Io (lpeak)
1.5A (2.5A)
Excitation
1/16 step
I/f
CLK input
Mixed Decay Mode
included
Package
THQFP64
Rohs Compatible†
yes

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PWM Chopper-Type Bipolar Driver IC for Stepping Motor Control
driver IC designed for sinusoidal-input microstep control of
bipolar stepping motors. The TB6560AHQ/AFG can be used in
applications that require 2-phase, 1-2-phase, 2W1-2-phase and
4W1-2-phase excitation modes. The TB6560AHQ/AFG is capable
of low-vibration, high-performance forward and reverse driving of
a two-phase bipolar stepping motor using only a clock signal.
Features
The TB6560AHQ/AFG is a PWM chopper-type stepping motor
Single-chip motor driver for sinusoidal microstep control of
stepping motors
High output withstand voltage due to the use of BiCD process:
Forward and reverse rotation
Selectable phase excitation modes (2, 1-2, 2W1-2 and 4W1-2)
High output withstand voltage: V
High output current: I
Packages: HZIP25-P-1.27
Internal pull-down resistors on inputs: 100 kΩ (typ.)
Output monitor pin: M
Reset and enable pins
Thermal shutdown (TSD)
*: These ICs are highly sensitive to electrostatic discharge. When handling them, ensure that the environment is
Ron (upper and lower sum) =
protected against electrostatic discharge. Ensure also that the ambient temperature and relative humidity are
maintained at reasonable level.
*Solderability
1. Use of Sn-37Pb solder bath
2. Use of Sn-3.0Ag-0.5Cu solder bath
*solder bath temperature = 230°C
*dipping time = 5 seconds
*number of times = once
*use of R-type flux
*solder bath temperature = 245°C
*dipping time = 5 seconds
*the number of times = once
*use of R-type flux
HQFP64-P-1010-0.50
TB6560AHQ, TB6560AFG
OUT
O
TOSHIBA BiCD Integrated Circuit Silicon Monolithic
current (I
TB6560AHQ: 0.6 Ω (typ.)
TB6560AFG: 0.7 Ω (typ.)
= TB6560AHQ: 3.5 A (peak)
TB6560AFG: 2.5 A (peak)
DSS
MO
= 40 V
(max) = 1 mA)
1
Weight
HZIP25-P-1.27: 9.86 g (typ.)
HQFP64-P-1010-0.50: 0.26 g (typ.)
TB6560AHQ
TB6560AFG
TB6560AHQ/AFG
2011-01-18

Related parts for TB6560AFG

TB6560AFG Summary of contents

Page 1

... Forward and reverse rotation • Selectable phase excitation modes (2, 1-2, 2W1-2 and 4W1-2) • High output withstand voltage: V • High output current TB6560AHQ: 3.5 A (peak) OUT TB6560AFG: 2.5 A (peak) • Packages: HZIP25-P-1.27 HQFP64-P-1010-0.50 • Internal pull-down resistors on inputs: 100 kΩ (typ.) • Output monitor pin: M current (I O • ...

Page 2

... OSC 7/53 OSC Maximum current setting circuit 2/43 TQ1 Protect 19/28 17/23 Thermal shutdown circuit 1/42 TQ2 2 TB6560AHQ/AFG VM A 18/25, 26 16/19, 20 PWM Bridge control driver A circuit 13/10, 11 14/13, 14 8/55, 56 12/6, 7 PWM Bridge control driver B circuit 9/61, 62 11/2, 4 6/50, 51 15/16 10/64 SGND PGNDA PGNDB TB6560AHQ/TB6560AFG 2011-01-18 OUT_AP OUT_AM OUT_BP OUT_BM N FB ...

Page 3

... The pin assignment of the TB6560AFG is different from that of the TB6560FG. TB6560AHQ: There is no no-connect (NC) pin. TB6560AFG: Except the above pins, all pins are NC. The pin numbers of NC pins are 12, 15, 17, 18, 21, 22, 24, 27, 29, 32, 34, 37, 40, 41, 44, 46, 49, 52, 54, 57, 58, 59, 60, and 63. ...

Page 4

Equivalent Circuits Input Pins (M1, M2, CLK, CW/CCW, TQ1,TQ2,ENABLE, RESET ,DCY1, DCY2 100 Ω TB6560AHQ/AFG Output Pins (M , Protect) O 100 Ω 4 2011-01-18 ...

Page 5

... Pin Assignment (top view) TB6560AFG (NC) 49 SGND 50 SGND 51 (NC) 52 OSC 53 (NC (NC) 57 (NC) 58 (NC) 59 (NC) 60 OUT_BM 61 OUT_BM 62 (NC) 63 PGNDB TB6560AHQ ...

Page 6

... Note 25°C, when mounted on a board (4-layer board). Note Operating Range = −30 to 85° Characteristics Power supply voltage TB6560AHQ Output current TB6560AFG Input voltage Clock frequency OSC frequency = 25° Symbol Rating A/B 3 ...

Page 7

Electrical Characteristics Characteristics High Input voltage Low Input hysteresis voltage (Note) Input current V supply current DD VM supply current Channel-to-channel voltage differential V voltage change according to NF the torque settings Minimum clock pulse width M output residual voltage ...

Page 8

... Electrical Characteristics Characteristics TB6560AHQ Output ON-resistance TB6560AFG 2W1-2- 1-2- phase phase excitation excitation ⎯ 2W1-2- phase excitation ⎯ 2W1-2- phase excitation ⎯ 2W1-2- phase excitation 4W1-2- ⎯ phase 2W1-2- excitation 1-2- phase phase excitation excitation ⎯ 2W1-2- phase excitation ⎯ 2W1-2- phase excitation ⎯ ...

Page 9

Functional Descriptions 1. Excitation Mode Settings The excitation mode can be selected from the following four modes using the M1 and M2 inputs. (The 2-phase excitation mode is selected by default since both M1 and M2 have internal pull-down resistors.) ...

Page 10

Torque Settings (Current Value) The ratio of the current necessary for actual operations to the predefined current adjusted by an external resistor can be selected as follows. The Weak Excitation mode should be selected to set a torque extremely ...

Page 11

Relationship between the Enable and Example 1: ENABLE input in 1-2-phase excitation mode (M1: H, M2: L) CLK ENABLE RESET M voltage O (%) 100 71 I (current from A 0 OUT_AP to OUT_AM) − 71 − 100 t t ...

Page 12

Excitation (M1 Mode) CLK M O (%) 100 − 100 (%) 100 − 100 1-2-Phase Excitation (M1 Mode) CLK ...

Page 13

Excitation (M1 Mode) CLK M O (%) 100 − 20 − 38 − 56 − 71 − 83 − 92 − 98 − 100 (%) ...

Page 14

Excitation (M1 Mode) [%] 100 A-phase − 10 − 20 − 29 − 38 − 47 − 56 − 63 ...

Page 15

Signal Example> RESET (%) 100 91 71 − 40 − 71.4 − 91 − 100 1-2-phase excitation It is recommended that the state of the M1 and M2 pins be ...

Page 16

Current Waveforms and Mixed Decay Mode Settings The current decay rate of the Decay mode operation can be determined by the DCY1 and DCY2 inputs for constant-current control. The “NF” refers to the point at which the output current ...

Page 17

Current Control Modes (Effects of Decay Modes) • Increasing the current (sine wave) Slow Predefined Current Level Charge Fast • Decreasing the current with a high decay rate (The current decay rate in Mixed Decay mode is the ratio ...

Page 18

Current Waveforms in Mixed Decay Mode OSC Pin Internal Waveform I OUT Predefined NF Current Level 25 % Mixed Decay Mode • When the NF points come after Mixed Decay Timing points I OUT Predefined NF Current Level 25 ...

Page 19

Current Waveform in Fast Decay Mode After the output current to the load reaches the current value specified by RNF, torque or other means, the output current to the load will be fed back to the power supply fully ...

Page 20

CLK and Internal OSC Signals and Output Current Waveform (when the CLK signal is asserted during Slow Decay mode) f chop OSC Pin Internal Waveform NF Predefined Current Level I OUT CLK Signal Input When the CLK signal is ...

Page 21

CLK and Internal OSC Signals and Output Current Waveform (when the CLK signal is asserted during Charge mode) f chop OSC Pin Internal Waveform Predefined Current Level I OUT CLK Signal Input 25 % Mixed Decay Mode f chop ...

Page 22

CLK and Internal OSC Signals and Output Current Waveform (when the CLK signal is asserted during Fast Decay mode) OSC Pin Internal Waveform Predefined NF Current Level I OUT Predefined Current Level CLK Signal Input 25 % Mixed Decay ...

Page 23

Internal OSC Signal and Output Current Waveform when Predefined Current is Changed from Positive to Negative (when the CLK signal is input using 2-phase excitation) f chop Predefined Current Level I OUT 0 Predefined Current Level CLK Signal Input ...

Page 24

Current Discharge Path when ENABLE is Set as Low During Operation When all the output transistors are forced off during Slow Decay mode, the coil energy is discharged in the following modes: Note: Parasitic diodes are located on dotted lines. ...

Page 25

Output Transistor Operating Modes OFF ON Note Load OFF PGND Charge Mode Output Transistor Operating Modes CLK U1 Charge ON Slow Decay OFF Fast Decay OFF Note: This table shows an example ...

Page 26

Test Points for AC Specifications t CLK CLK t pLH VM GND Figure 1 Timing Waveforms and Symbols OSC-Charge DELAY: The OSC waveform is converted into the internal OSC waveform by checking the level of a chopping wave. The internal ...

Page 27

... Power Dissipation TB6560AHQ TB6560AFG ① With soldered leads. ② When mounted on a board (4-layer board) Ambient temperature Ta (℃) TB6560AHQ/AFG 27 2011-01-18 ...

Page 28

Power-on Sequence with Control Input Signals Turn Then, when the V DD Hold the control input pins Low while turning on V (All the control input pins are internally pulled down.) After V and VM completely ...

Page 29

... A fuse should be connected to the power supply line. The rated maximum current of the TB6560AHQ is 3.5 A/phase and that of the TB6560AFG is 2.5 A/phase. Considering those maximum ratings, an appropriate fuse must be selected depending on operating conditions of a motor to be used. Toshiba recommends that a fast-blow fuse be used. ...

Page 30

Package Dimensions Weight: 9.86 g (typ.) TB6560AHQ/AFG 30 2011-01-18 ...

Page 31

Package Dimensions Weight: 0.26 g (typ.) Note: The size of a backside heatsink is 5.5 mm × 5.5 mm. TB6560AHQ/AFG 31 2011-01-18 ...

Page 32

... Application Circuits The application circuits shown in this document are provided for reference purposes only. Thorough evaluation is required, especially at the mass production design stage. Toshiba does not grant any license to any industrial property rights by providing these examples of application circuits. 5. Test Circuits Components in the test circuits are used only to obtain and confirm the device characteristics. These components and circuits are not guaranteed to prevent malfunction or failure from occurring in the application equipment ...

Page 33

Points to Remember on Handling of ICs (1) Thermal Shutdown Circuit Thermal shutdown circuits do not necessarily protect ICs under all circumstances. If the thermal shutdown circuits operate against the over temperature, clear the heat generation status immediately. Depending on ...

Page 34

... Product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. • The information contained herein is presented only as guidance for Product use. No responsibility is assumed by TOSHIBA for any infringement of patents or any other intellectual property rights of third parties that may result from the use of Product. No license to any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise. • ...

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