MC33289DWR2 [FREESCALE]

Dual High-Side Switch 40 m ohm; 双通道高边开关40兆欧
MC33289DWR2
型号: MC33289DWR2
厂家: Freescale    Freescale
描述:

Dual High-Side Switch 40 m ohm
双通道高边开关40兆欧

开关 接口集成电路 光电二极管 驱动
文件: 总11页 (文件大小:503K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Document Number: MC33289  
Rev. 4.0, 6/2006  
Freescale Semiconductor  
Advance Information  
Dual High-Side Switch 40 mΩ  
The 33289 is a Dual High Side Switch (DHSS) dedicated for use  
in automotive applications. It is designed to drive typical inductive  
loads such as solenoid valves.  
33289  
This device consists of two independent 40 mRDSON MOSFET  
channels plus corresponding control circuitry in a surface mount  
package. The 33289 can be interfaced directly to a microcontroller for  
input control and monitoring of diagnostic output.  
DUAL HIGH-SIDE SWITCH  
Each switch offers independent protection and diagnosis during  
overcurrent, overvoltage, and undervoltage conditions, as well as an  
overtemperature shutdown feature.  
A logic low on the Open Load Detect Enable pin (OLDE) minimizes  
bias current drain by disabling the open load circuitry current source.  
The device also has a very low quiescent current in standby mode.  
FEATURES  
DW SUFFIX)  
98ASB42343B  
20-PIN SOICW  
• Designed to drive Automotive Inductive loads  
• Operating Voltage Range from 6.0 V to 27 V  
• Maximum Breakdown Voltage greater than 40 V  
• 40 mRDSON at 25°C  
• Overtemperature Protection with Hysteresis  
• Overcurrent protection  
• Under Voltage Shutdown  
ORDERING INFORMATION  
Temperature  
Device  
Package  
Range (T )  
A
• Over Voltage Shutdown  
• Open Load Detection in Off-State  
• Independent Diagnostic Output  
• ESD Protection 2.0 kV  
MC33289DW/R2  
-40°C to 125°C  
20 SOICW  
• Standby Current less than 5.0 µA at VBAT below 14 V  
V
PWR  
5.0 V  
33289  
VBAT  
OUT1  
OUT2  
ST1  
ST2  
IN1  
MCU  
IN2  
GND  
OLDE  
Figure 1. 33289 Simplified Application Diagram  
* This document contains certain information on a new product.  
Specifications and information herein are subject to change without notice.  
© Freescale Semiconductor, Inc., 2006. All rights reserved.  
PIN CONNECTIONS  
PIN CONNECTIONS  
PIN ASSIGNMENT  
VBAT  
1
VBAT  
20  
19  
18  
17  
16  
15  
14  
VBAT  
2
3
VBAT  
OUT1  
OUT1  
VBAT  
OUT2  
OUT2  
VBAT  
VBAT  
4
5
VBAT  
6
NC  
7
NC  
IN1  
8
13  
12  
11  
IN2  
ST1  
OLDE  
9
ST2  
GND  
10  
Figure 2. 33289 Pin Connections  
Table 1. Pin Function Description  
Pin Number  
Pin Name  
Pin Function  
Supply Voltage  
Definition  
VBAT  
These are the power supply pins of the device. These pins are directly connected  
with the lead frame of the package and are tied to the drain of the switching  
MOSFET. These pins can be directly connected to the battery voltage. In addition  
to their supply function, these pins participate to the thermal behavior of the  
device in conducting the heat from the switching MOSFET to the printed circuit  
board.  
1, 2, 5, 6, 15, 16,  
19, 20  
OUTPUT Channel 1 Pins 3 and 4 are the output 1 pins. Pins 17 and 18 are the output 2 pins. They are  
3, 4, 18, 17  
OUT1  
OUT2  
directly connected to the source of the power MOSFET. These pins are used by  
OUTPUT Channel 2  
the control circuitry to sense the device output voltage. The RDSON is 40 mmax  
per output at 25°C and will increase to a maximum of 75 mat 150°C junction  
temperature.  
INPUT Channel 1  
INPUT Channel 2  
These are the device input pins which directly control their associated outputs.  
The levels are CMOS compatible. When the input is a logic low, the associated  
output MOSFET is in the off state. When input is high, the MOSFET is turned on  
and the load is activated.  
8, 13  
IN1  
IN2  
When both inputs are low, the device is in standby mode and its supply current is  
reduced. Each input pin has an internal active pull down, so that it will not float if  
disconnected.  
Status for Channel 1 These pins are the channel 1 and channel 2 fault detection flags. Their internal  
9, 12  
ST1  
ST2  
structure is an open drain architecture with an internal clamp at 6.0 V. An external  
Status for Channel 2  
pull up resistor connected to VDD (5.0 V) is needed. This is an active low output.  
If the device is in its normal condition the status lines will be high. If open load or  
other fault occurs, the associated channel status flag will be pulled low. See  
Functional Truth Table.  
Open Load Detection This pin is a digital input which enables the open load current diagnostic circuitry.  
10  
11  
OLDE  
GND  
Enable  
When OLDE is a logic low, the open load circuitry is not powered and the device’s  
bias current draw is at a minimum. If OLDE is a logic high, the open load circuitry  
is functional at the price of a higher bias current draw. OLDE pin has a pull down  
resistor.  
GROUND  
This is the GND pin of the device.  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
2
PIN CONNECTIONS  
V
V
V
V
V
VBAT V  
V
BAT BAT BAT BAT  
BAT  
BAT BAT  
OUT2  
OUT2  
Thermal  
Sensor  
Over  
Temp  
Charge  
Pump  
ST2  
IN2  
CHANNEL 2  
OUT1  
OUT1  
Input  
Trigger  
IN1  
U.V.& O.V.  
Lockout  
Over  
Current  
OLDE  
Open  
Load  
ST1  
CHANNEL 1  
GND  
Figure 3. Simplified Internal Block Diagram  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
3
ELECTRICAL CHARACTERISTICS  
MAXIMUM RATINGS  
ELECTRICAL CHARACTERISTICS  
MAXIMUM RATINGS  
Table 2. Maximum Ratings  
All voltages are with respect to ground unless otherwise noted. Exceeding these ratings may cause a malfunction or  
permanent damage to the device.  
Ratings  
Symbol  
Value  
Unit  
ELECTRICAL RATINGS  
VBAT and VBATC Voltage: Continuous/Pulse  
OUT1, OUT2 Voltage with Respect to GND: Continuous/Pulse  
OUT1, OUT2 to VBTAP Voltage: Continuous  
ST1, ST2 Voltage: Continuous/Pulse  
VBAT  
VOUT  
VOUT  
VST  
-0.3 to 41  
-4.0 to 41  
41  
V
V
V
-0.3 to 7.0  
-0.3 to 7.0  
+/-4.0  
V
IN1, IN2 Voltage: Continuous  
VIN  
V
IN1, IN2, ST1, ST2, OLDE Current  
IIN  
mA  
ESD all Pins  
Human Body Model (1)  
Machine Model (1)  
VESD1  
VESD2  
+/-2000  
+/-200  
V
V
THERMAL RATINGS  
Operating Junction Temperature  
Storage Temperature  
TJ  
-40 to 150  
°C  
TST  
-55 to 150  
°C  
Thermal Resistance Junction to Ambient (2)  
Thermal Resistance Junction to lead: Both Channel on  
Thermal Resistance Junction to lead: One Channel on  
Thermal Resistance Junction to lead: Logic Die  
Notes  
RTHJA  
RTHJL1  
RTHJL2  
RTHJL3  
70  
15  
15  
30  
°C/W  
°C/W  
°C/W  
°C/W  
1. EDS1 testing is performed in accordance with the Human Body Model (Czap = 100 pF, Rzap = 1500 ) EDS2 testing is performed in  
accordance with the Machine Model (Czap = 100 pF, Rzap = 0 )  
2. With minimum PCB dimensions.  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
4
ELECTRICAL CHARACTERISTICS  
STATIC ELECTRICAL CHARACTERISTICS  
STATIC ELECTRICAL CHARACTERISTICS  
Table 3. Static Electrical Characteristics  
Characteristics noted under conditions 7.0 V VSUP 18 V, -40°C TA 125°C, GND = 0 V unless otherwise noted. Typical  
values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.  
Characteristic  
Symbol  
Min  
Typ  
Max  
Unit  
POWER INPUT  
Operating Voltage  
VBAT  
IBAT1  
6.0  
VOV  
16  
V
Supply Current: Both Channels On  
= 13.5 V; OLDE High  
mA  
V
6.0  
5.0  
BAT  
Supply Current: One Channel On  
= 13.5 V; OLDE High  
IBAT2  
mA  
µA  
V
10  
5.0  
30  
BAT  
Supply Current: Both Channels Off  
= 12.6 V; OLDE Low, TJ < 125°C  
IBAT3  
V
BAT  
Supply Current: Any State  
= 13.5 V  
IBAT_MAX  
mA  
µA  
V
BAT  
Output Off state leakage current per channel  
= 13.5 V; IN1, 2, OLDE low, Both output grounded,  
IDSS  
V
0.1  
5.0  
BAT  
TJ < 125°C  
Drain-Source On Resistance  
RDSON1  
RDSON2  
VCLAMP  
mΩ  
mΩ  
V
VBAT > 10 V, TAMB = 25°C  
40  
75  
Drain-Source On Resistance  
VBAT > 10 V, TAMB = 150°C  
Negative Inductive Clamp Voltage  
IOUT = 1 A  
-4.0  
-1.0  
INPUT CHARACTERISTICS  
High Input Voltage (IN1, IN2)  
High Input Voltage (OLDE)  
V
3.25  
3.5  
V
V
IH  
V
OLDEH  
Low Input Voltage (IN1, IN2, OLDE)  
Logic Input Hysteresis IN1, IN2  
V
1.5  
0.8  
V
IL  
V
0.4  
3.0  
0.6  
V
HYST  
Logic Input Current  
VIN = 1.5 V  
I
µA  
IN  
Logic Input Current  
VIN = 3.25 V  
I
µA  
V
IN  
32.5  
7.0  
80  
Logic Input Clamp Voltage  
At IIN = 1 mA  
VCLMP  
5.5  
Input Capacitance IN1, IN2  
CIN  
pF  
RIN = 47 k@ 100 kHz  
STATUS CHARACTERISTICS  
Status Voltage  
VST  
V
IST = 1 mA; Output in fault  
0.5  
10  
Status Leakage Current  
VST = 5 V  
ISTLK  
µA  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
5
ELECTRICAL CHARACTERISTICS  
STATIC ELECTRICAL CHARACTERISTICS  
Table 3. Static Electrical Characteristics  
Characteristics noted under conditions 7.0 V VSUP 18 V, -40°C TA 125°C, GND = 0 V unless otherwise noted. Typical  
values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.  
Characteristic  
Symbol  
Min  
Typ  
Max  
Unit  
Status Pin Capacitance  
VST = 5 V  
CST  
pF  
80  
OVERLOAD PROTECTION CHARACTERISTICS  
Overcurrent latchoff threshold  
VBAT = 13.5 V  
IOCT  
A
4.0  
9.0  
Thermal Shutdown  
T
150  
165  
175  
10  
°C  
°C  
V
SHUT  
THYST  
VOV  
Thermal Shutdown Hysteresis  
Overvoltage Shutdown Threshold  
Both IN1, IN2 logic high  
27  
0.1  
38  
2.0  
6.0  
1.0  
Overvoltage Shutdown Hysteresis  
Both IN1, IN2 logic high  
VOVHYST  
V
V
V
Undervoltage Shutdown Threshold  
Both IN1, IN2 logic high  
VUV  
4.75  
0.3  
Undervoltage Shutdown Hysteresis  
Both IN1, IN2 logic high  
VUVHYST  
0.6  
OPEN CIRCUIT DETECTION CHARACTERISTICS  
Open Load Detect Current  
VOUT = 3.5 V, OLDE = 4.0 V  
IOL  
µA  
200  
290  
400  
Open Load Threshold Voltage  
Openload threshold voltage  
VOL  
1.5  
1.5  
2.4  
2.5  
3.5  
3.5  
V
V
VINOL  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
6
ELECTRICAL CHARACTERISTICS  
DYNAMIC ELECTRICAL CHARACTERISTICS  
DYNAMIC ELECTRICAL CHARACTERISTICS  
Table 4. Dynamic Electrical Characteristics  
Characteristics noted under conditions 7.0 V VSUP 18 V, -40°C TA 125°C, GND = 0 V unless otherwise noted. Typical  
values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.  
Description  
Symbol  
Min  
Typ  
Max  
Unit  
OVERLOAD PROTECTION CHARACTERISTICS  
Overcurrent latchoff delay  
TOCTDLY  
µs  
From OverCurrent Treshold achieved to Output  
Voltage = 10% VBAT  
30  
50  
Overcurrent latchoff status delay  
TOCTSTDLY  
µs  
From Output Voltage = 10% VBAT to Status Flag <1 V  
OPEN CIRCUIT DETECTION CHARACTERISTICS  
Open Load to Status Low Delay Time  
From IN = 1.5 to Status Flag <1.5 V  
TOLSTDT  
µs  
µs  
100  
50  
Open Load Detect BlankingTime  
TOLDBT  
From IN = 1.5 to Openload  
circuitry enable  
3.0  
10  
SWITCHING CHARACTERISTICS (3)  
Turn-on Slew Rate  
SRPOUT1  
V/µs  
V/µs  
From 10% to VBAT -3.0 V  
1.0  
0.1  
20  
Turn-on Slew Rate  
SRPOUT2  
From VBAT -3.0 V to 90%  
3.0  
Turn-off Slew Rate  
From 90% to 10%  
SRNOUT  
V/µs  
µs  
1.0  
1.0  
20  
15  
Turn-on Delay Time  
tDON  
From VIN/2 to 10% VBAT  
2.5  
5.0  
Turn-off Delay Time  
tDOFF  
µs  
From VIN/2 to 90% VBAT  
1.0  
15  
Notes  
3. 8 V<VBAT <18 V, RLOAD = 7 Ω  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
7
TYPICAL APPLICATIONS  
TYPICAL APPLICATIONS  
Battery  
VBAT VBAT VBAT VBAT  
VBAT VBAT VBAT VBAT  
OUT2  
OUT2  
Load 2  
Thermal  
Sensor  
5.0 V  
Over  
Status pull-up  
resistors  
Temp  
Charge  
Pump  
ST2  
IN2  
10 KΩ  
10 KΩ  
CHANNEL 2  
OUT1  
OUT1  
Input  
Trigger  
IN1  
U.V.& O.V.  
Lockout  
Over  
Current  
LOAD  
MCU  
OLDE  
Open  
Load  
ST1  
CHANNEL 1  
GND  
Figure 4. MC33289 Typical Application  
Table 5. Functional Truth Table  
Conditions  
IN1  
IN2  
OUT1  
OUT2  
ST1  
ST2  
Normal Operating Conditions  
L
H
L
L
L
L
H
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Overtemperature Channel 1  
H
X
H
X
H
H
L
X
L
X
L
L
L
H
L
H
L
L
Overtemperature Channel 2  
Overtemperature Channel 1/Channel 2  
Open Load Channel 1  
Open Load Channel 2  
L
X
L
H
X
X
H
L
H
L
X
H
Overcurrent Channel 1  
Overcurrent Channel 2  
H
X
X
H
L
X
L
L
H
L
X
H
Undervoltage Condition  
X
X
X
X
L
L
L
L
H
H
H
H
Overvoltage Condition  
L = ‘Low level’; H = ‘High level’; X = ‘don’t care  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
8
PACKAGING  
PACKAGE DIMENSIONS  
PACKAGING  
PACKAGE DIMENSIONS  
For the most current package revision, visit www.freescale.com and perform a keyword search using the “98A” listed below  
DW SUFFIX  
20-PIN  
PLASTIC PACKAGE  
98ASB42343B  
ISSUE J  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
9
REVISION HISTORY  
REVISION HISTORY  
REVISION  
DATE  
DESCRIPTION OF CHANGES  
• Implemented Revision History page  
• Converted to Freescale format  
6/2006  
4.0  
• Updated to the prevailing form and style  
33289  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
10  
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MC33289  
Rev. 4.0  
6/2006  

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