MCZ33903BD5EK Freescale Semiconductor, MCZ33903BD5EK Datasheet - Page 90

• Manufacturer Part Number: MCZ33903BD5EK
• Description: SBC W/HIGH SPEED CAN 5V
• Manufacturer: Freescale Semiconductor
• Series: -r

Specifications of MCZ33903BD5EK

• Main Purpose: Power Management, System Interface
• Embedded: No
• Utilized Ic / Part: MCZ33903
• Primary Attributes: CAN Transceiver
• Secondary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

where 2 reverse battery diodes can be used for optimization
of the filtering and buffering capacitor at the VDD pin. This
allows using a minimum value capacitor at the VDD pin to
guarantee reset free operation of the MCU during the
90
33903/4/5
TYPICAL APPLICATIONS
V
The following figure illustrates the application case
BAT
ex 3: No External Transistor, V
delivered by internal path transistor.
D1
V
BAT
D1
ex1: Single V
VBAUX
VSUP1
VSUP2
Q2
Partial View
VCAUX
VBAUX
VSUP1
VSUP2
Q2
SUP
Partial View
VCAUX
DD
Supply
VDD
VAUX
VE
VB
~100 mA Capability
VAUX
5.0 V/3.3 V
VDD
VE
VB
Q1
Figure 43. Application Options
5.0 V/3.3 V
V
BAT
cranking pulse, and temporary (50 ms) loss of the V
supply.
without using the VAUX regulator are illustrated as well.
Applications without an external ballast on V
D1
C1
V
BAT
Optimized solution for cranking pulses.
C1 is sized for MCU power supply buffer only.
C2
D2
D1
ex 4: No External Transistor - No VAUX
ex2: Split V
VBAUX
VBAUX
VSUP1
VSUP2
VSUP1
VSUP2
Analog Integrated Circuit Device Data
Q2
Partial View
Partial View
SUP
VCAUX
VCAUX
Supply
VAUX
Freescale Semiconductor
VAUX
VDD
VE
VDD
VB
VE
VB
5.0 V/3.3 V
Q1
DD
and
BAT