Datasheet

Evaluates: SPI and SMBus/I
2
C-Compatible Parts
CMAXQUSB User’s Guide
2
DESIGNATION QTY DESCRIPTION
P1 0 Not installed (2mm power jack)
P6 1 3-pin header
P7 1 4-pin header
P8 1 6-pin header
R1 1 2.2k ±5% resistor (1206)
R2, R5, R6 3 1.5k ±5% resistors (1206)
R7, R8–R11 5 470k ±5% resistors (1206)
R12, R13 2 27 ±5% resistors (1206)
R14 1 10k ±5% resistor (1206)
R18 1 4.7k ±5% resistor (1206)
R19 1 100k ±5% resistor (1206)
SW1 1 2-circuit DIP switch (DIP-4)
U1 1
Low-power microcontroller (68 QFN)
Maxim MAXQ2000-RAX+
U2 1
FTDI FT232BL (32 TQFP, 7mm x
7mm)
U3 1
LDO linear regulator (5 SC70)
Maxim MAX8511EXK25+T
(Top Mark: ADV)
U4 1
93C46 type 3-wire EEPROM
(8 SO)
16-bit architecture
U5 1
Low-voltage, p-channel MOSFET
(8 SO)
Maxim MAX890LESA+
U6, U7, U8 3
8-channel level translators
(20 TSSOP)
Maxim MAX3001EEUP+
DESIGNATION QTY DESCRIPTION
U9 1
Low-voltage level translator
(8 SOT23)
Maxim MAX3373EEKA+T
(Top Mark: AAKS)
U10 1
Low-voltage level translator
(14 TSSOP)
Maxim MAX3390EEUD+
U11 1
LDO linear regulator (5 SC70)
Maxim MAX8511EXK33+T
(Top Mark: AEI)
Y1 1
16MHz crystal (HC49/US)
Parallel resonant, 20pF load
Suntsu SCS20B-16.000MHz-I
Y2 1
6MHz crystal (HC49/US)
Parallel resonant, 20pF load
Suntsu SCS22B-6.000MHz-I
Y3 0 Not installed, 32.768kHz crystal
— 1 Vertical header 2 x 3 pins
— 4
Rubber bumpers,
0.100in H x 0.400in W square
— 1
USB high-speed A-to-B cable,
5ft (1.5m)
— 1 Shunt
— 1
PCB: COMMAND MODULE
(CMAXQUSB)
Component List (continued)