MAX40200 Evaluation Kit
Evaluates: MAX40200 “Ideal-Diode”
in a 4-Bump WLP
General Description
The MAX40200 evaluation kit (EV kit) provides a proven
design to evaluate the MAX40200 “ideal-diode”. This EV
kit demonstrates the MAX40200 in a tiny, space-saving
4-bump wafer-level package (WLP). The MAX40200 is
also available in a 5-pin SOT23 (MAX40200AUK+), which
is not compatible with this EV kit.
The MAX40200 EV kit PCB comes with two
MAX40200ANS+ devices installed. The MAX40200
device is a current-switch, which drops so little voltage as
to approximate an “ideal diode”.
The MAX40200 parts are available in a tiny 0.73mm x
0.73mm 4-bump WLP with a 0.35mm bump pitch and is
only 0.5mm high. It operates over the extended -40°C to
+125° C temperature range.
●
Drops Less Than 45mV at 500mA
●
Less than 2µA Leakage When Reverse-Biased
●
Supply Voltage Range: Between 1.5V and 5.5V
●
Low Supply Quiescent Current: 7µA (typ), 18µA
(max)
●
Thermally Self-Protecting
●
Tiny 0.73mm x 0.73mm 4-bump WLP
●
-40°C to +125°C Temperature Range
●
Evaluates MAX40200ANS+
●
Accommodates Easy-to-Use Components
●
Proven PCB Layout
●
Fully Assembled and Tested
Ordering Information
appears at end of data sheet.
Features
19-8721; Rev 0; 11/16
MAX40200 Evaluation Kit
Evaluates: MAX40200 “Ideal-Diode”
in a 4-Bump WLP
3. Connect the voltmeter across the VCC and OUT pads.
4. Verify all the shunts are in default positions, as shown
in
Table 1.
5. Do not install J3.
6. Turn on the power supplies.
7. Turn on the electronic load and verify that the current
flowing is equal to the set value of 500mA.
8. Verify that the forward voltage or (V
DD
– V
OUT
)
voltmeter reading is approximately close to 50mV.
9. Turn off the electronic load.
10.Set the electronic load to sink 100mA.
11. Turn on the electronic load.
12.Verify that the forward voltage or (V
DD
– V
OUT
)
voltmeter reading is close to approximately 23mV.
Quick Start
Required Equipment
•
•
•
•
MAX40200 EV kit
+6V DC power supply
Electronic load capable of sinking 1A ( e.g., HP6060B)
Precision voltmeter
Procedure
The EV kit is fully assembled and tested. Follow the below
instructions to verify board operation.
Caution: Do not
turn on the power supply or the electronic load until
all the connections are complete.
1. Connect the positive terminal of the 3.3V supply to the
VCC pad. Connect the negative terminal of the 3.3V
supply to the GND pad.
2. Connect the electronic load’s positive terminal to the
OUT pad and the negative terminal to the GND pad
and set to 500mA sink.
Table 1. Jumper Functions (J1 – J3)
JUMPER LABEL
J1
J2
DEFAULT POSITION
1-2*
2-3
1-2*
2-3
Not Installed*
J3
Installed (Note 1)
Enables U1
Disables U1
Enables U2
Disables U2
Devices U1 and U2 Enable operates independently
Connects Enable (EN) input of U1 and U2 together. User-supplied
enable input signal
FUNCTION
*When
installing J3, remove J1 and J2 from the EV kit.
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MAX40200 Evaluation Kit
Evaluates: MAX40200 “Ideal-Diode”
in a 4-Bump WLP
Theory of Operation
Detailed Description of Hardware
(or Software)
The MAX40200 EV kit provides a proven design to evaluate
the MAX40200 4-bump, space-saving, “ideal-diode.” The
device blocks reverse voltages and passes current when
forward-biased, just as a normal diode would. The device,
when forward-biased and enabled, conducts with as little
as 45mV of voltage drop while carrying currents as high
as 500mA. At higher currents (up to 1A), the voltage drop
increases linearly. The MAX40200 protects itself, and any
down-stream circuitry, from overtemperature conditions.
When disabled (EN = low), the MAX40200 can block
voltages up to 6V in either direction, making it suitable
for most low-voltage portable electronic devices. The
low (1µA typ.) supply current is independent of the load
current. The MAX40200 operates from supplies within the
range of 1.5V and 5.5V.
The two “ideal-diode” devices may be used independently
or together. The PCB circuit mimics a typical wall adaptor/
battery-charging circuit having different V
CC1
and V
CC2
.
They are connected to the common output, which is
where the load is situated.
When used independently or together, enable inputs EN1
and EN2 turns the device on or off. The device that is
turned on conducts current to the load. The device that
is turned off does not conduct current to the load from its
associated V
CC
input.
MAX40200 EV Kit Bill of Materials
ITEM
1
REF_DES
C1, C2
DNI/DNP
-
QTY
2
MFG PART #
GRM188R71E105KA12D;
CGA3E1X7R1E105K
MANUFACTURER
MURATA
1UF
VALUE
DESCRIPTION
CAPACITOR; SMT (0603);
CERAMIC CHIP; 1UF; 25V;
TOL=10%; MODEL=GRM SERIES;
TG=-55 DEGC TO +125 DEGC; TC=X7R
CAPACITOR; SMT (0603);
CERAMIC CHIP; 0.1UF; 25V;
TOL=10%; MODEL=C SERIES;
TG=-55 DEGC TO +125 DEGC; TC=X7R
CAPACITOR; SMT (0805);
CERAMIC CHIP; 0.1UF; 50V;
TOL=10%; MODEL=;
TG=-55 DEGC TO +125 DEGC; TC=X7R
CAPACITOR; SMT (0805);
CERAMIC CHIP; 1UF; 25V;
TOL=5%; MODEL=X7R;
TG=-55 DEGC TO +85 DEGC; TC=+/-
TEST POINT; PIN DIA=0.125IN;
TOTAL LENGTH=0.35IN;
BOARD HOLE=0.063IN; RED;
PHOSPHOR BRONZE WIRE SILVER PLATE FINISH;
TEST POINT; PIN DIA=0.125IN;
TOTAL LENGTH=0.35IN;
BOARD HOLE=0.063IN; BLACK;
PHOSPHOR BRONZE WIRE SILVER PLATE FINISH;
CONNECTOR; MALE; THROUGH HOLE;
BREAKAWAY; STRAIGHT; 3PINS;
-65 DEGC TO +125 DEGC
CONNECTOR; MALE; THROUGH HOLE;
BREAKAWAY; STRAIGHT; 2PINS;
-65 DEGC TO +125 DEGC
EVKIT PART-IC; SWTC; IDEAL DIODE;
OZ34; PACKAGE OUTLINE: 21-0744;
PACKAGE CODE: N40C0-1; WLP4
PCB Board:MAX40200 EVALUATION KIT
COMMENTS
2
C3, C4
-
2
C1608X7R1E104K080AA
TDK
0.1UF
3
C5
-
1
C0805C104K5RAC;
GRM21BR71H104K
KEMET
0.1UF
4
C6
-
1
08053C105JAT2A
AVX
1UF
5
EN1, EN2, OUT,
TP5-TP8, VBAT1,
VBAT2
-
9
5005
KEYSTONE
N/A
6
GND, TP1-TP4,
TP9, TP10
-
7
5006
KEYSTONE
N/A
7
8
9
10
J1, J2
J3
U1,U2
PCB
-
-
-
-
2
1
2
1
PBC03SAAN
PBC02SAAN
MAX40200ANS+
MAX
SULLINS
PBC03SAAN
SULLINS ELECTRONICS
PBC02SAAN
CORP.
MAXIM
MAXIM
MAX40200ANS+
PCB
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Maxim Integrated
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MAX40200 Evaluation Kit
1
3
U2
1UF
1
1
TP2
GND
MAX40200ANS+
2
EN
3
2
www.maximintegrated.com
VCC1
TP3
TP5
TP7
TP9
U1
1UF
0.1UF
MAX40200 EV Kit Schematic
VBAT1
C1
C3
B2
GND
MAX40200ANS+
2
EN
0.1UF
A1
VDD
B1
J1
C5
C6
OUT
1UF
A2
OUT
TP1
GND
EN1
VCC2
TP4
TP6
TP8
TP10
VBAT2
C2
0.1UF
C4
B2
B1
A1
VCC
OUT
A2
J2
J3
EN2
Evaluates: MAX40200 “Ideal-Diode”
in a 4-Bump WLP
Maxim Integrated
│
4
MAX40200 Evaluation Kit
Evaluates: MAX40200 “Ideal-Diode”
in a 4-Bump WLP
MAX40200 EV Kit PCB Layout
MAX40200 EV Kit—Top Silkscreen
MAX40200 EV Kit—Top
Ordering Information
PART
MAX40200EVKIT#
#Denotes
RoHS compliant.
TYPE
EV Kit
MAX40200 EV Kit—Bottom
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