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Maxim MAX16920A General Description Manual

Evaluation kit
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General Description

The MAX16920B evaluation kit (EV kit) is an assembled
and tested PCB used to evaluate the MAX16920B power-
management IC for automotive radios, containing three
step-down converters, one linear regulator (LDO), and an
overvoltage-protection block.
The EV kit comes with a MAX16920BATJ/V+ installed,
which is the 2.2MHz switching-frequency version. For
the 400kHz switching-frequency version, contact
the factory for free samples of the pin-compatible
MAX16920AATJ/V+. Additional capacitors and inductors
are provided in the EV kit for the MAX16920A.
DESIGNATION
QTY
4.7FF Q10%, 6.3V X7R ceramic
C1, C6
2
capacitors (0805)
Murata GRM21BR70J475K
0.47FF Q10%, 6.3V X7R ceramic
C2
1
capacitor (0603)
Murata GRM188R70J474K
Not installed, ceramic capacitors
C3, C18
0
(0603)
0.1FF Q10%, 16V X7R ceramic
C4, C5, C17
3
capacitors (0603)
Murata GRM188R71C104K
10FF Q20%, 50V X7R ceramic
C7, C15, C16,
4
capacitors (2220)
C19
TDK C5750X7R1H106M
22FF Q10%, 10V X7R ceramic
C8
1
capacitor (1206)
Murata GRM31CR71A226K
47FF Q10%, 10V X7R ceramic
C9, C13
2
capacitors (1210)
Murata GRM32ER71A476K
10FF Q10%, 10V X7R ceramic
C10
1
capacitor (1206)
Murata GRM31CR71A106K
Not installed, ceramic
C11, C12, C20
0
capacitors (1210)
Not installed, aluminum
C14
0
electrolytic capacitor
(8.00mm x 10.2mm)
_________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
MAX16920B Evaluation Kit
Evaluates: MAX16920A/MAX16920B
DESCRIPTION
5.5V to 18V Input Range, Survives 45V Transients
S
3.3V at 150mA Output (OUT1 from DC-DC1)
S
5V at 600mA Output (OUT2 from DC-DC2)
S
3.3V at 1.5A Output (OUT3 from DC-DC3)
S
5V at 150mA Output (OUTA from LDOA)
S
LED Power-Good Indicators for All Step-Down
S
Converters and LDO
Proven PCB Layout
S
Fully Assembled and Tested
S
Ordering Information
appears at end of data sheet.
DESIGNATION
QTY
3A, 50V Schottky diode (SMC)
D1
1
Diodes Inc. B350-13-F
D2, D3, D4
3
Green LEDs (0603)
D5
1
Red LED (0603)
D6
0
Not installed, diode (SMA)
JU1−JU6
6
3-pin headers
JU7−JU10
4
2-pin headers
8.2FH, 790mA inductor
L1
1
(4mm x 4mm x 1.2mm)
Panasonic ELLSFG8R2NA
4.7FH, 1.16A inductor
L2
1
(5.0mm x 5.6mm x 1.2mm)
TDK VLP5612T-4R7MR93
2.2FH, 4.18A inductor
L3
1
(7.60mm x 7.60mm x 3.55mm)
Cooper Bussmann DRA73-2R2-R
10FH, 2.56A inductor
L4
1
(7.60mm x 7.60mm x 4.35mm)
Cooper Bussmann DRA74-100-R
50V, 5.3A p-channel
P1
1
MOSFET (D PAK)
Vishay IRFR9010TRPbF
R1
1
100kI Q1% resistor (0603)
R2
1
19.1kI Q1% resistor (0603)
R3−R6
4
1kI Q5% resistors (0603)
R7, R8
2
10kI Q5% resistors (0603)
R9, R10
2
100kI Q5% resistors (0603)
R11−R16
0
Not installed, resistors (0603)
R17
1
0I Q5% resistor (0603)
19-5744; Rev 0; 1/11
Features
Component List
DESCRIPTION

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Summary of Contents for Maxim MAX16920A

  • Page 1: General Description

    R9, R10 100kI Q5% resistors (0603) (8.00mm x 10.2mm) R11−R16 Not installed, resistors (0603) 0I Q5% resistor (0603) _________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

  • Page 2: Quick Start

    47FH, 1.14A inductor — (7.60mm x 7.60mm x 4.35mm) PCB: MAX16920B EVALUATION — Cooper Bussmann DRA74-470-R KIT+ ADDITIONAL COMPONENTS FOR MAX16920A 22FH, 1.68A inductor EVALUATION — (7.60mm x 7.60mm x 4.35mm) Cooper Bussmann DRA74-220-R 22FF Q10%, 10V X7R ceramic —...
  • Page 3 2-3 position on JU2. A lit LED (D2) indicates The output voltage of the DC-DC2 step-down converter that the output of DC-DC3 is in the correct regulation is set to 5V and can be accessed from the OUT2 PCB range. _________________________________________________________________ Maxim Integrated Products 3...
  • Page 4 Included with the EV kit are capacitors and inductors to signal between 1.8MHz to 2.4MHz at the SYNC PCB pad evaluate the MAX16920A. Replace C10, C11, and C12 on the EV kit. with the 22FF capacitors, C20 with the 47FF capacitor, L1 with the 47FH inductor, L2 with the 22FH inductor, and L3 with the 10FH inductor.
  • Page 5 MAX16920B Evaluation Kit Evaluates: MAX16920A/MAX16920B Figure 1. MAX16920B EV Kit Schematic _________________________________________________________________ Maxim Integrated Products 5...
  • Page 6 MAX16920B Evaluation Kit Evaluates: MAX16920A/MAX16920B 1.0” 1.0” Figure 3. MAX16920B EV Kit PCB Layout—Component Side Figure 2. MAX16920B EV Kit Component Placement Guide— Component Side 1.0” Figure 4. MAX16920B EV Kit PCB Layout—Inner Layer 2 _________________________________________________________________ Maxim Integrated Products 6...
  • Page 7 MAX16920B Evaluation Kit Evaluates: MAX16920A/MAX16920B 1.0” 1.0” Figure 5. MAX16920B EV Kit PCB Layout—Inner Layer 3 Figure 6. MAX16920B EV Kit PCB Layout—Solder Side 1.0” Figure 7. MAX16920B EV Kit Component Placement Guide— Solder Side _________________________________________________________________ Maxim Integrated Products 7...

  • Page 8: Ordering Information

    MAX16920B Evaluation Kit Evaluates: MAX16920A/MAX16920B Ordering Information PART TYPE MAX16920BEVKIT+ EV Kit +Denotes lead(Pb)-free and RoHS compliant. _________________________________________________________________ Maxim Integrated Products 8...

  • Page 9: Revision History

    — Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

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Max16920b

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