參數(shù)資料
型號: MAX13482EETE+T
廠商: Maxim Integrated Products
文件頁數(shù): 18/19頁
文件大小: 0K
描述: IC TXRX USB ESD PROT 16-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: USB 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: USB 2.0
電源電壓: 4 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-TQFN-EP(3x3)
包裝: 帶卷 (TR)
MAX13481E/MAX13482E/MAX13483E
±15kV ESD-Protected USB Transceivers with
External/Internal Pullup Resistors
8
_______________________________________________________________________________________
Detailed Description
The MAX13481E/MAX13482E/MAX13483E ±15kV ESD-
protected USB-compliant transceivers convert single-
ended or differential logic-level signals to USB signals,
and USB signals to single-ended or differential logic
signals. These devices fully comply to USB 2.0 when
operating at full-speed (12Mbps), and operate with VL
as low as 1.6V, ensuring compatibility with low-voltage
ASICs. Integrated ±15kV ESD-circuitry protection pro-
tects D+ and D- bus connections.
The MAX13481E/MAX13483E require an external 1.5k
Ω
pullup resistor to VTRM for full-speed operation. The
MAX13481E requires an external 1.5k
Ω pullup resistor
and feature an active-low enumeration function that
connects a +3.3V voltage at VPU. The MAX13482E fea-
tures an active-low enumeration function that connects
a 1.5k
Ω pullup resistor at VPUR for full-speed opera-
tion. The MAX13482E/MAX13483E also provide a bus
detect (BD) output that asserts high when VBUS > 3.6V.
Applications Information
Power-Supply Configurations
Normal Operating Mode
Connect VL and VBUS to system power supplies (Table 1).
Connect VL to a +1.6V to +3.6V supply. Connect VBUS
to a +4.0V to +5.5V supply or to the VBUS connector.
Alternatively, these parts can derive power from a sin-
gle Li+ cell. Connect the battery to VBUS. VTRM remains
above +3.0V for VBUS as low as +3.1V. Additionally, the
devices can be powered by an external +3.3V ±10%
voltage regulator. Connect VBUS and VTRM to an exter-
nal +3.3V voltage regulator. VBUS no longer consumes
current to power the internal linear regulator in this con-
figuration. The bus detect function (BD) on the
MAX13482E and MAX13483E does not function when
the device is powered this way.
Disable Mode
Connect VBUS to a system power supply and leave VL
unconnected or connect to GND. D+ and D- enter a tri-
state mode and VBUS (or VBUS and VTRM) consumes
less than 20A of supply current. D+ and D- withstand
external signals up to +5.5V in disable mode (Table 2).
VBUS (V)
VTRM (V)
VL (V)
CONFIGURATION
NOTES
+4.0 to +5.5
+3.0 to +3.6 output
+1.6 to +3.6
Normal mode
+4.0 to +5.5
+3.0 to +3.6 output
GND or floating
Disable mode
Table 2
GND or floating
High Z
+1.6 to +3.6
Sharing mode
Table 2
+3.1 to +4.5
+3.0 to +3.6 output
+1.6 to +3.6
Battery supply
+3.0 to +3.6
+3.0 to +3.6 input
+1.6 to +3.6
Voltage regulator supply
Table 1. Power-Supply Configuration
INPUTS/OUTPUTS
DISABLE MODE
SHARING MODE
VBUS / VTRM
4V to 5.5V
Floating or connected to GND
VL
Floating or connected to GND
1.6V to 3.6V input
D+ and D-
High impedance
For
OE = low, high impedance
VP and VM
Invalid*
For
OE = high, output logic high
RCV
Invalid*
Undefined
BD
(MAX13482E/MAX13483E)
Invalid*
Low
Table 2. Disable-Mode and Sharing-Mode Connection
*High impedance or logic low
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