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PDF 908E624 Fiche technique ( Data sheet )

Numéro de référence 908E624
Description Integrated Triple High Side Switch
Fabricant Freescale Semiconductor 
Logo Freescale Semiconductor Logo 



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908E624 Datasheet, Description
Freescale Semiconductor
Technical Data
Document Number: MM908E624
Rev. 11.0, 4/2012
Integrated Triple High Side
Switch with Embedded MCU
and LIN Serial Communication
for Relay Drivers
The 908E624 is an integrated single-package solution that
includes a high performance HC08 microcontroller with a
SMARTMOS analog control IC. The HC08 includes flash memory, a
timer, enhanced serial communications interface (ESCI), an analog-
to-digital converter (ADC), internal serial peripheral interface (SPI),
and an internal clock generator module. The analog control die
provides three high side outputs with diagnostic functions, voltage
regulator, watchdog, current sense operational amplifier, and local
interconnect network (LIN) physical layer.
The single package solution, together with LIN, provides optimal
application performance adjustments and space saving PCB design.
It is well-suited for the control of automotive high current motors
applications using relays (e.g., window lifts, fans, and sun roofs).
Features
• High performance M68HC908EY16 core
• 16 KB of on-chip flash memory, 512 B of RAM
• Internal clock generator module
• Two 16-bit, two-channel timers
• 10-bit ADC
• LIN physical layer interface
• Low dropout voltage regulator
• Three high side outputs
• Two wake-up inputs
• 16 microcontroller I/Os
908E624
908E624
HIGH SIDE SWITCH
EW (Pb-FREE) SUFFIX
98ASA99294D
54-pin SOICW
ORDERING INFORMATION
Device
(Add an R2 suffix for Tape
and reel orders)
Temperature
Range (TA)
Package
MM908E624ACPEW
MM908E624AYPEW
-40°C to 85°C
-40°C to 125°C
54 SOICW
LIN Interface
5.0 V
Microcontroller
Ports
LIN
VREFH
VDDA
EVDD
VCC
VDD
VREFL
VSSA
EVSS
AGND
GND
VSP1
RXD
PTE1/RXD
RST
RST_A
IRQ
IRQ_A
PTD0/TACH0
PW/MIN
PTA0-4
PTB1;3-7
PTC2-4
PTD1/TACH1
VSP
HS3
L1
L2
HS1
HS2
+E
WDCONF
OUT
-E
VBAT
M
To Microcontroller A/D Channel
Figure 1. 908E624 Simplified Application Diagram
*This document contains certain information on a product under development.
Freescale reserves the right to change or discontinue this product without notice.
© Freescale Semiconductor, Inc., 2012. All rights reserved.
908E624 Fiche technique
PIN CONNECTIONS
PIN CONNECTIONS
PTB7/AD7/TBCH1
PTB6/AD6/TBCH0
PTC4/OSC1
PTC3/OSC2
PTC2/MCLK
PTB5/AD5
PTB4/AD4
PTB3/AD3
IRQ
RST
PTB1/AD1
PTD0/TACH0
PTD1/TACH1
NC
NC
NC
PWMIN
RST_A
IRQ_A
NC
NC
NC
L1
L2
HS3
HS2
HS1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
54 PTA0/KBD0
53 PTA1/KBD1
52 PTA2/KBD2
51 FLSVPP
50 PTA3/KBD3
49 PTA4/KBD4
48 VREFH
47 VDDA
46 EVDD
45 EVSS
44 VSSA
43 VREFL
42 PTE1/RXD
41 NC
40 RXD
39 WDCONF
38 +E
37 -E
36 OUT
35 VCC
34 AGND
33 VDD
32 NC
31 VSUP1
30 GND
29 LIN
28 VSUP2
Figure 3. Pin Connections
Table 1. Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 16.
Die Pin
Pin Name
Formal Name
Definition
MCU
MCU
MCU
MCU
1 PTB7/AD7/TBCH1
2 PTB6/AD6/TBCH0
6 PTB5/AD5
7 PTB4/AD4
8 PTB3/AD3
11 PTB1/AD1
Port B I/Os
These pins are special function, bidirectional I/O port pins, that are
shared with other functional modules in the MCU.
3
PTC4/OSC1
Port C I/Os
These pins are special function, bidirectional I/O port pins, that are
4 PTC3/OSC2
shared with other functional modules in the MCU.
5 PTC2/MCLK
9 IRQ External Interrupt This pin is an asynchronous external interrupt input pin.
Input
10
RST
External Reset
This pin is bidirectional, allowing a reset of the entire system. It is driven
low when any internal reset source is asserted.
MCU
MCU
12
13
14, 15, 16,
20, 21, 22,
32, 41
42
PTD0/TACH0
PTD1/TACH1
NC
PTE1/ RXD
Port D I/Os
No Connect
These pins are special function, bidirectional I/O port pins, that are
shared with other functional modules in the MCU.
Not connected.
Port E I/O
This pin is a special function, bidirectional I/O port pin, that can is shared
with other functional modules in the MCU.
Analog Integrated Circuit Device Data
Freescale Semiconductor
908E624
3

3 Page

908E624 pdf
ELECTRICAL CHARACTERISTICS
MAXIMUM RATINGS
Table 2. Maximum Ratings (continued)
All voltages are with respect to ground unless otherwise noted. Exceeding limits on any pin may cause permanent damage to
the device.
Rating
Symbol
Value
Unit
THERMAL RATINGS
Package Operating Ambient Temperature (4)
MM908E624ACPEW
MM908E624AYPEW
Operating Junction Temperature (2)(4)
MM908E624ACPEW
MM908E624AYPEW
TA °C
-40 to 85
-40 to 125
TJ °C
-40 to 125
-40 to 125
Storage Temperature
Peak Package Reflow Temperature During Reflow(3)(5)
TSTG
TPPRT
-40 to 150
Note 5
°C
°C
Notes
2. The temperature of analog and MCU die is strongly linked via the package, but can differ in dynamic load conditions, usually because
of higher power dissipation of the analog die. The analog die junction temperature must not exceed 150°C under these conditions.
3. Pin soldering temperature is for 10 seconds maximum duration. Not designed for immersion soldering. Exceeding these limits may
cause malfunction or permanent damage to the device.
4. Independent of TA, device parametrics are only guaranteed for -40 < TJ < 125 °C. Please see note 2. TJ is a factor of power dissipation,
package thermal resistance, and available heat sinking.
5. Freescale’s Package Reflow capability meets Pb-free requirements for JEDEC standard J-STD-020C. For Peak Package Reflow
Temperature and Moisture Sensitivity Levels (MSL), Go to www.freescale.com, search by part number [e.g. remove prefixes/suffixes
and enter the core ID to view all orderable parts. (i.e. MC33xxxD enter 33xxx), and review parametrics.
908E624
6
Analog Integrated Circuit Device Data
Freescale Semiconductor

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