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NXP Semiconductors Electronic Components Datasheet

NXQ1TXH5 Datasheet

wireless transmitter

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NXQ1TXH5
One-chip 5 V Qi wireless transmitter
Rev. 1.1 — 4 March 2016
Product short data sheet
1. General description
The NXQ1TXH5 is a controller and driver IC for a 5 V Qi-certified/compliant low-power
wireless charger. It offers a fully integrated solution that includes a 5 V full-bridge power
stage, as defined in Wireless Power Consortium (WPC) 5 V Qi standards A5, A11, A12
and A16.
The NXQ1TXH5 uses a dedicated analog ping circuitry to detect devices. With the analog
pin circuitry, an extremely low standby (wait state) power consumption is achieved. When
a Qi-compliant receiver is placed, the NXQ1TXH5 starts to communicate with it. After the
receiver is recognized, it safely initiates wireless power transfer from the transmitter to the
receiver, while monitoring for fault conditions such as overheating or interference from
metal objects. The device is optimized to operate from a 5 V USB power supply and uses
Smart Power Limiting (SPL) to adjust the output power automatically to compensate for
power-limited supplies. The device supports Foreign Object Detection (FOD).
LED outputs and a buzzer output are available for the user interface. The LED outputs
feature a number of blinking modes. Static Power Reduction (SPR) allows multiple
NXQ1TXH5-based transmitters to operate from a single USB power supply by limiting
power consumption per device.
The NXQ1TXH5 is available in a 5 mm 5 mm, 32-pin HVQFN package.
2. Features and benefits
Single-chip WPC 1.2 transmitter
Operates from 5 V supply
Low EMI radiation meeting EN55022 radiated and conducted emission limits
Very few external components needed, minimizing cost and board space
Extremely low-power receiver detection circuitry by integrating an analog ping circuit;
standby (wait state) power 10 mW (typical)
Power stage protected against overcurrents and overtemperature
Dual-channel Amplitude Shift Keying (ASK) demodulation
Demodulates communication packets from Qi-compliant receivers
PID regulation for power drive and control
Internal 1.8 V digital supply generation
LED (2) and buzzer outputs
NTC input for external temperature check and protection
On-chip thermal protection
Small HVQFN 32-pin package (5 mm 5 mm) with 0.5 mm pitch


NXP Semiconductors Electronic Components Datasheet

NXQ1TXH5 Datasheet

wireless transmitter

No Preview Available !

NXP Semiconductors
NXQ1TXH5
One-chip 5 V Qi wireless transmitter
FOD with WPC receiver versions 1.2 and 1.1 and for legacy receiver support
(Qi version 1.0)
Peak efficiency > 75 %
Excellent low power (< 2 W) transfer efficiency. Ideal for charging wearables
3. Applications
Wireless Power Consortium (WPC) Qi certified/compliant wireless power transmitters
Wireless charger for (smart)phones, toys, shavers, pads, and other handheld devices
High-efficiency low-power wireless charger for smartwatches and other wearables
4. Quick reference data
Table 1.
Symbol
VDDP
IDDP
Quick reference data
Parameter
power supply voltage
power supply current
Conditions
on pins VDDP1 and VDDP2
on pins VDDP1 and VDDP2
wait state (average current)
power transfer state (no load)
power transfer state (with load)
Min Typ Max Unit
3.4 -
5.25 V
-
2
-
mA
-
15 -
mA
-
1.5 5[1]
A
[1] The maximum average current is 2 A. However, when removing the receiver, the power stage current protection limits the peak current
at 5 A.
5. Ordering information
Table 2. Ordering information
Type number Package
Name
Description
NXQ1TXH5
HVQFN32
plastic thermal enhanced very thin quad flat package; no leads;
32 terminals; body 5 5 0.85 mm
Version
SOT617-3
5.1 Ordering options
Table 3. Ordering options
Type number Orderable part
number
NXQ1TXH5 NXQ1TXH5/101J
Package Packing method
HVQFN32 reel 13" Q1/T1,
*standard mark SMD
non-dry-pack
Minimum
Temperature
ordering quantity
6000
Tamb = 20 C to +85 C
NXQ1TXH5
Product short data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1.1 — 4 March 2016
© NXP Semiconductors N.V. 2016. All rights reserved.
2 of 17


Part Number NXQ1TXH5
Description wireless transmitter
Maker NXP
Total Page 3 Pages
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