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首页TMC603A:高效能三相电机驱动器,集成高精度电流传感器
TMC603A:高效能三相电机驱动器,集成高精度电流传感器
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更新于2024-07-17
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TMC603A是一款专为高度紧凑和节能的三相电机驱动应用设计的集成IC,由Trinamic Motion Control GmbH & Co. KG公司生产。该驱动器的核心目标是简化无刷直流电机(BLDC)系统的前端控制,使其能够与微控制器协同工作,执行电机通断(commutation)和控制算法。 TMC603A的特点包括: 1. 高性能:最大可支持高达30安培的电机电流,以及50伏的运行电压,满足大功率电机驱动的需求,适合于工业自动化、机器人技术等高负载场景。 2. 接口兼容性:提供3.3伏或5伏的接口,方便与不同电压范围的微控制器进行连接,提高了灵活性。 3. 小巧封装:采用8毫米x8毫米的QFN封装,节省空间,适应现代电子设备对小型化和轻量化的要求。 4. 内置功能:集成了双范围高精度电流测量放大器,可以实现无传感器电流测量,通过利用MOSFET的通道电阻作为感应元件,简化了系统设计,降低了成本。 5. 高级特性:搭载专利的hallFX™技术,实现传感器less commutation,即无需额外的霍尔效应传感器,提升了系统的可靠性和精度。 6. 安全保护与诊断:集成有保护功能和诊断模块,有助于监测驱动器的健康状态,减少故障风险,并降低总体系统成本。 7. 能效提升:内置的步降开关稳压器进一步优化了能效,有助于在满足性能需求的同时,降低能耗。 TMC603A是一款高度集成且性能出色的电机驱动IC,它不仅提供了强大的电机控制能力,还注重能源效率和系统可靠性,为开发高效能、小型化的电机驱动解决方案提供了理想的平台。对于任何寻求高性能无刷电机驱动应用的专业人士来说,TMC603A是一个不可或缺的选择。
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TMC603A DATA SHEET (V. 1.16 / 2010-May-14) 8
Copyright © 2009 TRINAMIC Motion Control GmbH & Co. KG
5 TMC603 functional blocks
5.1 Block diagram and pin description
+V
M
SWOUT
HS-drive
VCP
LS-drive
+V
M
VLS
BH1
HS1
LS1
BM1
1 of 3 shown
5V
linear
regulator
5VOUT
100nF
VM
VCC
GND
220R
100µ
VCP
RSLP
BAV99 (70V)
BAS40-04W (40V)
SS16
TP0610K
or BSS84
(opt. BC857)
L
SW
12V step
down
regulator
VLS
break
before
make
logic
GNDP
slope
control
slope HS
slope LS
opt. for high
QGD FETs :
MSS1P3 /
ZHCS1000
Gate off detection
BL1
D
D
INV_BL
BBM_EN
D
/ERR_OUT
set
reset
error logic
short to GND
1,2,3
CLR_ERR
D
undervoltage
VLS, VCP
R
DS
current
sense LS
short to
GND
detection
RS2G
short to GND 1
BM1
BM1 track & hold stage
SAMPLE1
CUR1
BRIDGE
CURRENT
MEASUREMENT
Motor coil
output
switched capacitor filter
SENSORLESS
COMMUTATION
DRIVER
SECTION
BM1
BM2
BM3
SCCLK
D
COSC
D
SENSE_HI
hall sensor
emulation
D
H1
D
H2
D
H3
FILT1_RS1
FILT2_RS2
FILT3_RS3
A
A
A
test
logic
ENRS_TEST
D
D
D
A
D
ENABLE
1 of 3 power MOS half
bridges
VCC
signed current,
centered at 1/3 VCC
automatic
sample
point delay
SP_SUP
100n
(2x)
220n
C
OSC
: 470p ->100kHz
R
SLP
: 100k -> 100mA
C
SUP
: 1n -> 90µs
R
S2G
: 470k -> 1000ns
100n
(2x)
Provide sufficient filtering
capacity near bridge
transistors (electrolyt
capacitors and ceramic
capacitors).
L
SW
: 220µH for 100kHz
amplification
4.5x or 18x
V
M
+10V
charge pump
5V supply
12V supply
(150mA with
sel. transistor)
4µ7
Tantal 25V
220n
16V
Zener 12V
BZT52B12-V/
BZV55C12
RS2G, RSLP and BMx: Use
short trace and avoid stray
capacitance to switching signals.
Place resistors near pin.
TMC603A
GND
DIE PAD
RS1
ENRS
figure 3: application diagram
The application diagram shows the basic building blocks of the IC and the connections to the power
bridge transistors, as well as the power supply. The connection of the digital and analog I/O lines to
the microcontroller is highly specific to the microcontroller model used.
更多详情联系:13812617052 15806250091
Sunny_8409@sina.com
QQ:2472266802
![](https://csdnimg.cn/release/download_crawler_static/11329745/bg9.jpg)
TMC603A DATA SHEET (V. 1.16 / 2010-May-14) 9
Copyright © 2009 TRINAMIC Motion Control GmbH & Co. KG
Pin
Number
Type
Function
VLS
1, 44
Low side driver supply voltage for driving low side gates
GNDP
2, 40, 52
Power GND for MOSFET drivers, connect directly to GND
VM
3
Motor and MOSFET bridge supply voltage
GND
4, 36
Digital and analog low power GND, connect directly to GND
RS2G
5
AI 5V
Short to GND control resistor. Controls delay time for short to GND
test
Hx
6, 7, 8
DO 5V
hallFX™ outputs for back EMF based hall sensor emulation
FILTx_
RSx
9, 10, 11
AI 5V
AO 5V
Output of internal switched capacitor filter or input for external sense
resistor (select using pin ENRS_TEST)
COSC
12
A 5V
Oscillator capacitor for step down regulator
SCCLK
13
DI 5V
Switched capacitor filter clock input for hallFX™ filters.
BHx
14, 18,
22
DI 5V
High side driver control signal: A positive level switches on the high
side
BLx
15, 19,
23
DI 5V
Low side driver control signal: Polarity can be reversed via INV_BL
SAMPLEx
16, 20,
24
DI 5V
Optional external control for current measurement sample/hold
stage. Set to positive level, if unused
CURx
17, 21,
25
AO 5V
Output of current measurement amplifier
5VOUT
26
Output of internal 5V linear regulator. Provided for VCC supply
SP_SUP
27
A 5V
An external capacitor on this pin controls the commutation spike
suppression time for hallFX™.
VCC
28
+5V supply input for digital I/Os and analog circuitry
SENSE_HI
29
DI 5V
Switches current amplifiers to high sensitivity
BBM_EN
30
DI 5V
Enables internal break-before-make circuitry
INV_BL
31
DI 5V
Allows inversion of BLx input active level (low: BLx is active high)
ENABLE
32
DI 5V
Enables the power drivers (low: all MOSFETs become actively
switched off)
/ERR_OUT
33
DO 5V
Error output (open drain). Signals undervoltage or overcurrent. Tie
to ENABLE for direct self protection of the driver
CLR_ERR
34
DI 5V
Reset of error flip-flop (active high). Clears error condition
RSLP
35
AI 5V
Slope control resistor. Sets output current for MOSFET drivers
SWOUT
37
O
Switch regulator transistor output
ENRS_
TEST
38
DI 5V
O 12V
Enables sense resistor inputs rather than R
DSON
measurement. Test
multiplexer output
VCP
39
Charge pump supply voltage. Provides high side driver supply
LSx
41, 45,
49
O 12V
Low side MOSFET driver output
BMx
42, 46,
50
I (VM)
Sensing input for bridge outputs. Used for MOSFET control and
current measurement.
HSx
43, 47,
51
O
(VCP)
High side MOSFET driver output
Exposed
die pad
-
GND
Connect the exposed die pad to a GND plane. It is used for cooling
of the IC and may either be left open or be connected to GND.
更多详情联系:13812617052 15806250091
Sunny_8409@sina.com
QQ:2472266802
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